What is the range of the function y = -x2 + 1?Y<-1Y>-1Y<1Y>1

Mathematics College

What is the range of the function y = -x2 + 1?
Y<-1
Y>-1
Y<1
Y>1

Answers

Answer 1

Answer:

Y<1 I belive

Step-by-step explanation:

Im not 100% sure, is the equation supposed to be y=-$x^{2}$+1?

Related Questions

The table shows the lowest elevations in some countries.

A 2-column table with 5 rows. Column 1 is labeled Country with entries Dominican Republic, France, Hungary, India, Japan. Column 2 is labeled Elevation (meters) with entries negative 46, negative 2, 78, 0, negative 4.
If you plotted these elevations on a vertical number line, which would be the only country with a lowest elevation above 0?
Dominican Republic
France
Hungary
India

Answers

Answer:

THE ANSWERE IS C!!!!!!!

Step-by-step explanation: it says above 0 so its not India it has 0

its not Dominican Republic or france and japan cause it is negetive the oly chose is hurgay

Answer:

THE ANSWER IS C

Step-by-step explanation:

no spam

The linear function f(x) = 0.5x + 80 represents the average test score in your math class, where x is the number of the test taken. The linear function g(x) represents the average test score in your science class, where x is the number of the test taken.

x g(x)
1 81
2 83
3 85

Part A: Determine the test average for your math class after completing test 2. (2 points)

Part B: Determine the test average for your science class after the completing test 2. (2 points)

Part C: Which class had a higher average after completing test 4? Show work to support your answer. (6 points)

Answers

Table

$\boxed{\begin{array}{c|c}\boxed{\bf x} &\boxed{\bf g(x)} \\ \sf 1&\sf 81 \\ \sf 2&\sf 83 \\ \sf 3&\sf 85\\ \sf 4 &\sf 87(Expected)\end{array}}$

$\boxed{\begin{array}{c|c}\boxed{\bf x} &\boxed{\bf f(x)} \\ \sf 1&\sf 80.5 \\ \sf 2&\sf 81 \\ \sf 3&\sf 81.5 \\ \sf 4&\sf 82\end{array}}$

Now

#Part A:-

Test average for completing test 2 in maths=81

#Part-B

Test average for completing test 2in science=83

#Part C.

CLASS B HAS HIGHER AVERAGE

Use the diagram to find the angle measures that satisfy each case. Find the measures of all 4 angles if m<2-m<1=30 degrees

Answers

The measures of the angles are <1 = 85, <2 = 105, <3 = 85 and <4 = 105

How to use the diagram to find the angle measures that satisfy each case?

The diagram that completes the question is added as an attachment

From the diagram, we have

<1 + <2 = 180 degrees --- supplementary angles

Given that

<2 - <1 = 30 degrees

Add the above equations

So, we have

2<2 = 210

Divide both sides by 2

<2 = 105

Substitute <2 = 105 in <2 - <1 = 30

So, we have

105 - <1 = 30

Evaluate

<1 = 85

Also, we have

<3 = <1

<4 = <2

This means that

<3 = 85

<4 = 105

Hence, the measures of the angles are <1 = 85, <2 = 105, <3 = 85 and <4 = 105

Answers

C, this is because you know that three are shaded in, meaning it is less than 4, making it less than 50% but 40% wouldn’t make sense since it isn’t 4 squares shaded in an area that consists of 10, hope this helped

Answer:

38%.

Step-by-step explanation:

3 out of the 8 squares are colored. So if you divided 8 by 3 and multiply it by 100, you get 37.5%, I think. 37.5% round up to 38%, I think.

On a shelf there are 40 chips. 30 of them are cheddars flavored . What is the percentage of those that are cream cheese flavored?

Answers

Answer:

Hey there!

30/40 are cheddar flavored, so 10/40 are cream cheese flavored.

10/40=25, so 25% of the chips are cream cheese flavored (assuming that the rest of the chips are all cream cheese flavored)

Let me know if this helps :)

Assume that when adults with smartphones are randomly selected, 56% use them in meetings or classes. If 7 adult
smartphone users are randomly selected, find the probability that exactly 3 of them use their smartphones in
meetings or classes.
The probability is
(Round to four decimal places as needed.)

Answers

The prοbability that exactly 3 οf the 7 randοmly selected adult smartphοne users use their phοnes in meetings οr classes is apprοximately 0.2762.

What is the prοbability?

Prοbability is the study οf the chances οf οccurrence οf a result, which are οbtained by the ratiο between favοrable cases and pοssible cases.

This is a binοmial prοbability prοblem, where the number οf smartphοne users whο use their phοnes in meetings οr classes fοllοws a binοmial distributiοn.

We have:

n = 7 (the number οf trials)p = 0.56 (the prοbability οf success, i.e., using their smartphοnes in meetings οr classes)k = 3 (the number οf successes we are interested in)

The prοbability οf exactly 3 successes is given by the binοmial prοbability fοrmula:

$\rm P(k = 3) = $(n choose k$) \rm \times p^k \times (1-p)^{(n-k)$

where "n chοοse k" is the binοmial cοefficient, equal tο n! / (k! * (n-k)!).

Substituting the values:

$\rm P(k = 3) = $(7 choose 3$) \rm \times 0.56^3 \times (1-0.56)^{(7-3)$

Using a calculatοr, we get:

P(k = 3) ≈ 0.2762

Hence, the prοbability that exactly 3 οf the 7 randοmly selected adult smartphοne users use their phοnes in meetings οr classes is apprοximately 0.2762.

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Can someone help me ? Its due today please

Answers

Answer:

x=3

y=5

Step-by-step explanation:

3x+2y=19

- 2x+2y=16

_____________

x=3

3(3)=9

19-9=10

10÷2=5

y=5

Answer:

x=3

y=5

Step-by-step explanation:

Method 1 ; Substitution Method

$3x + 2y =19\\2x+2y=16\\\\\mathrm{Isolate}\:x\:\mathrm{for}\:3x+2y=19:\\\quad x=\frac{19-2y}{3}\\\\\mathrm{Subsititute\:}x=\frac{19-2y}{3}\\\begin{bmatrix}2\times \frac{19-2y}{3}+2y=16\end{bmatrix}\\\\Simplify\\\begin{bmatrix}\frac{38+2y}{3}=16\end{bmatrix}\\\mathrm{Isolate}\:y\:\mathrm{for}\:\frac{38+2y}{3}=16:\quad y=5\\\\\mathrm{For\:}x=\frac{19-2y}{3}\\\\Substitute\:y\:= \:5\\x=\frac{19-2\times\:5}{3}\\\\\frac{19-2\times\:5}{3}=3\\\\x=3,\:y=5$

Method 2 : Elimination method

$\begin{bmatrix}3x+2y=19\\ 2x+2y=16\end{bmatrix}\\\\\mathrm{Multiply\:}3x+2y=19\mathrm{\:by\:}2\:\\\mathrm{:}\:\quad \:6x+4y=38\\\\\mathrm{Multiply\:}2x+2y=16\mathrm{\:by\:}3\:\\\mathrm{:}\:\quad \:6x+6y=48\\\\\begin{bmatrix}6x+4y=38\\ 6x+6y=48\end{bmatrix}\\\\6x+6y=48\\-\\\underline{6x+4y=38}\\2y=10\\\\\begin{bmatrix}6x+4y=38\\ 2y=10\end{bmatrix}\\\\\mathrm{Solve}\:2y=10\:\mathrm{for}\:y:\quad y=5\\\mathrm{For\:}6x+4y=38\mathrm{\:plug\:in\:}y=5$

$\mathrm{Solve}\:6x+4\times\:5=38\:\mathrm{for}\:x:\quad x=3\\\\x=3,\:y=5$

What is the value of x (7x-1) (6x-1) now

Answers

Answer:

Step-by-step explanation:

Its impossible tto calculate x there.

But i can simply the expression for you...

42x²-13x+1

Gate posts are parallel and m<4 =47, what is m<1

Answers

The value of angle 1 given the value of angle 4 as 47° will be 133°

How to explain parallel lines

Parallel lines are two lines on a two-dimensional plane that, no matter how far they are extended, never collide. They always keep the same gap between them.

Parallel lines have the same slope, which means they have the same angle of inclination or steepness. In other words, they rise and fall at the same pace along their length.

The value will be:

= 180° - 47°

= 133°

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10 1/2 gal = __ qt
brainliest will be given

Answers

Answer:

10 1/2 gallons = 42 quarts:)

K
The table shows the fraction of the population in selected countries that used cell phones in a recent year. Complete
the table by writing each fraction as an equivalent fraction with a denominator of 100.
Country
Country A
Country B
Country C
Country D
Country E
Country F
Country G
Country H
Country I
Country J
Fraction of
Equivalent Fraction
Population Using Cell with a Denominator of
Phones
100
87
100
9
10
23
25
23
25
17
25
91
100
4
5
67
100
2
25
...
7
10

$KThe table shows the fraction of the population in selected countries that used cell phones in a recent$

Answers

The solution is given below.

What is fraction?

A fraction represents a part of a whole or, more generally, any number of equal parts. When spoken in everyday English, a fraction describes how many parts of a certain size there are, for example, one-half, eight-fifths, three-quarters.

here, we have,

from the given chart we get,

the solution is attached below.

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$KThe table shows the fraction of the population in selected countries that used cell phones in a recent$

d) A flagpole is placed on the roof of a house. A student measures the flagpole to be 4.25 ±0.05 m. The same student measures the height from the ground to the base of the flagpole to be 6.40±0.15 m. If the flagpole is mounted vertically upward (straight up), how far is the tip of the flagpole above the ground? Be sure to use significant figures and include an uncertainty with your answer.

Answers

Thus, the length of tip of given flagpole above the ground is found as (10.7 ± 0.2).

Explain about the significant figures?

The number of rounded digits required to assess the measuring precision scientific discipline involving uses measurements or calculations is referred to as significant figures, also abbreviated as significant digits.

Whether the quantities are zeros, non-zero digits, or a combination of the computations include decimals affects the amount of significant figures. With the exception of one uncertain digit, significant numbers are all classed as certain digits.

Given data:

flagpole measures: 4.25 ±0.05 m.

height from ground to base of this flagpole= 6.40±0.15 m.

In a = b+c

Then, Δa = Δb + Δc

In which,

a = 4.25 m, Δa = 0.05 m, b = 6.40 m, Δb = 0.15 m ,

a = b+c = 4.25 + 6.40 = 10.65

a = 10.7 m to 3 significant figures.

Δa = Δb + Δc = 0.05 + 0.15 =

Δa = 0.20 m (0.2 to 1 significant figures)

Thus, the length of the tip of the flagpole above the ground is found as (10.7 ± 0.2).

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Divide 64.5 by 0.015 leaving your answer in a standard form

Answers

Answer:

4300

Step-by-step explanation:

To the left you can see a very famous product a Coca Cola can. The can has a height of 12.2 cm and a diameter 6.62 cm. a) Calculate the volume of this can?

Answers

Answer:

The radius of the can is half of the diameter, so:

radius = 6.62 cm / 2 = 3.31 cm

The formula for the volume of a cylinder is:

V = πr^2h

where V is the volume, r is the radius, and h is the height.

Substituting the values we have:

V = π(3.31 cm)^2(12.2 cm)

V ≈ 506.67 cubic centimeters

Therefore, the volume of the Coca Cola can is approximately 506.67 cubic centimeters.

a can contains 24 fluid ounces of fruit juice. How many pints of fruit juice does the can contain?

Answers

Answer:

H: 1 1/2 pt

Step-by-step explanation:

You get H because 1 pint is 16 ounces, 2 pints are 32 ounces but you need the number 24. So i did a half of 16 and 32 which is 24. So my answer is 1 1/2pt.

P^P is a
statement.
Select one:
O Null
O Contingent
Tautology
O Contradiction

Answers

O Contradiction

hope it helps you

Express the given trigonometric functions in terms of the same function of a positive acute angle.sec 948 degrees, cos(-948) degrees

Answers

Given the Trigonometric Functions:

$\begin{gathered} sec(948\text{\degree}) \\ \\ cos(-948\text{\degree}) \end{gathered}$

Using your calculator you get:

$sec(948\text{\degree})\approx-1.49$

By definition, Secant is negative in Quadrant III.

Finds its Reference Angle as follows:

$948\text{\degree}-5\cdot180\text{\degree}=48\text{\degree}$

Because:

$\frac{948}{180}\approx5$

Then, you get:

$=-sec\left(48\text{\degree}\right)$

Notice that:

$cos(-948\text{\degree})\approx-0.67$

Then, you can conclude that it is in Quadrant II.

Therefore its Reference Angle is:

$5\cdot180\text{\degree}-948\text{\degree}=-48$

So you can set up:

$=-cos\lparen-48)$

By definition:

$cos(-\theta)=cos\theta$

Therefore, you can rewrite it in this form:

$=-cos(48\text{\degree})$

Hence, the answer is:

$\begin{gathered} sec(48\text{\degree}) \\ \\ -cos(48\text{\degree}) \end{gathered}$

Elena receives $95 per year in simple interest from three investments totaling $2100 . Part is invested at 3%, part at 4%, and part at 5%. There is $1000 more invested at 5% than at 4%. Find the amount invested at each rate.

The amount invested at 3% is $
the amount invested at 4% is $
and the amount invested at 5% is $

Answers

The amount invested at 3% is $400, the amount invested at 4% is $700, and the amount invested at 5% is $1000.

Let's assume the amount invested at 4% is x dollars.

According to the given information, the amount invested at 5% is $1000 more than the amount invested at 4%.

So, the amount invested at 5% is (x + $1000).

The total amount invested is the sum of the amounts invested at each rate, which is $2100.

Therefore, we can write the equation:

x + (x + $1000) + (amount invested at 3%) = $2100

Now, we can calculate the amount invested at 3%.

We subtract the sum of the amounts invested at 4% and 5% from the total investment:

(amount invested at 3%) = $2100 - (x + x + $1000) = $2100 - (2x + $1000)

Given that Elena receives $95 per year in simple interest from the investments, we can use the formula for simple interest:

Simple Interest = Principal × Interest Rate

The interest earned from the investment at 3% is (amount invested at 3%) × 0.03, the interest earned from the investment at 4% is (amount invested at 4%) × 0.04, and the interest earned from the investment at 5% is (amount invested at 5%) × 0.05.

According to the problem, the total interest earned is $95.

So we can write the equation:

(amount invested at 3%) × 0.03 + (amount invested at 4%) × 0.04 + (amount invested at 5%) × 0.05 = $95

Now we can substitute the expression for (amount invested at 3%) and solve for x.

Once we have the value of x, we can calculate the amounts invested at 3%, 4%, and 5% using the given information.

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Multiply (2x + 2y)(2x + 2y)

Answers

Answer:

4x² + 4y² + 8xy

Step-by-step explanation:

( 2x + 2y ) ( 2x + 2y ) = ( 2x + 2y )²

Formula : -

( a + b )² = a² + b² + 2ab

Here,

a = 2x

b = 2y

( 2x + 2y )²

= ( 2x )² + ( 2y )² + 2 ( 2x ) ( 2y )

= 2²x² + 2²y² + 8xy

= 4x² + 4y² + 8xy

the answer is 4x^2 + 8xy + 4y^2

Ren was trying to solve a system of linear eq2uations he correctly awrgued that he could replace one equation by the sum of that equation and mutipile of the others he stated would produce a syste4m that has the same solution as the orginal system

Answers

Answer:

yessirkyyyyyyyyyyyy

Step-by-step explanation:

the answer has the same solution, has the same solution, and does not have the same solution

how many solution does 5x - 1 = 10x -4 - 5 x + 3 have?

Answers

Let's simplify the equation:

5x - 1 = 10x - 4 - 5x + 3

Combining like terms, we have:

5x - 1 = 5x - 1

Notice that the variables and coefficients on both sides of the equation are the same. This means that the equation is an identity, and any value of x will satisfy the equation. In other words, this equation has infinitely many solutions.

A= { 1, 4, 9, 16, 25, 36, 49, 64, 81, 100} solve in
rule method

Answers

Answer:

1, 4, 9, 16, 25, 36, 49, 64, 81, 100

Step-by-step explanation:

Just do this by the square root method

Which is a possible translation of x Greater-than-or-equal-to 5? A number is less than or equal to 5. A number is at least 5. A number is no more than 5. A number is more than 5.
WHO EVER ANSWERS WILL GET 100 POINTS

Answers

Answer:

Step-by-step explanation:

PLEASE HELP IM SO LOST

Answers

Answer: f(x) has an axis of symmetry at x = 4 and h(x) has an axis of symmetry at x = -2

Step-by-step explanation:

You can easily find the axis of symmetry by investigating around which line the functions are symmetrical about

for instance, in h(x), the graph is symmetrical on either side of x = -2, meaning that the line x = -2 cuts the parabola in 'half'

in f(x), this is a little harder to think about, but if you know how the graph will be shifted on the x-axis you can figure it out! In this case (x-4)^2 means that the graph will be shifted on the x-axis 4 units to the right (or from the origin to +4 on the X axis)

as such the line x = 4 will cut the function f(x) in 'half'

Select all of the following that are quadratic equations. 7x2 + 14x = 0 x3 - 3x2 + 1 = 0 5x - 7 = 0 x2 + 3x -5 = 0 x - 5 = 9x + 7 x2 - x = 3x + 7

Answers

Answer:

7x2 + 14x = 0

x2 + 3x -5 = 0

x2 - x = 3x + 7

Step-by-step explanation:

A quadratic equation has the highest power of x to the second power. It must have x to the second power

7x2 + 14x = 0 quadratic

x3 - 3x2 + 1 = 0 not quadratic but cubic

5x - 7 = 0 not quadratic but linear

x2 + 3x -5 = 0 quadratic

x - 5 = 9x + 7 not quadratic but linear

x2 - x = 3x + 7 quadratic

rajesh is working out the are of the cirle with radius 10 he writes area=3.142x20 explain why rajesh is wrong

Answers

Answer:

100π = 314.1592654

Step-by-step explanation:

area of a circle πr²

π×10²

10×10 =100

100×π

A bag of snacks contains 3 flavors: cherry, lemon, and grape. Carol will take 1 snack from the bag without looking. The probability for each flavor is shown in the table.

Answers

Least likely - lemon
Middle - cherry
Most likely - grape

Find the area of the figure. Type your answer as just a number, without units.

Answers

After considering all the given data we conclude that the area of the given figure is 80, under the condition that the given figure is a rhombus.

Let us name the rhombus as ABCD, now looking at the figure we can detect that there are two diagonals crossing each other making a point E, this allows the two diagonals to split in four smaller lines that are congruent in value
Then
Line AE = 5ft and Line ED = 5ft (because of congruency)
Line CE = 8ft and Line EB = 8ft(because of congruency)
Therefore,
Now we know that the diagonals
AD = 10ft
CB = 18 ft
The area of a rhombus can be evaluated applying the formula
Area = (d1 × d2) / 2,
Here,
d1 and d2 = lengths of the diagonals.
For this case, the diagonals are 10 ft and 16 ft.
Then, the area of the rhombus is
(10 × 16) / 2
= 80
Then, the area of the given figure is 80.
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Consider a cupcake shop that sells 7 different kinds of cupcakes (chocolate raspberry, strawberry shortcake, red velvet, funfetti, lemon, German chocolate, and chocolate caramel). Assuming there are at least 12 of each kind available, if Andres asks for a random selection of 12 cupcakes, what is the probability that he will get
(a)exactly 6 red velvet?
(b)exactly 3 each of 4 different kinds?
(c)no lemon?
(d)at least 1 German chocolate and at least one chocolate raspberry?

Answers

Answer:

If Andres asks for a random selection of 12 cupcakes, the Probability of choosing:

a)exactly 6 red velvet?

The probability that 6 will be red velvet = 6/12 x 14.3% = 7.2%

(b)exactly 3 each of 4 different kinds?

Since 3 x 4 = 12

The probability that the 12 will be 3 each from 4 different kinds

= 14.3%

(c)no lemon?

Probability of getting a lemon cupcake = 1/7 = 14.3%

Therefore, probability of not getting a lemon cupcake = 100% - 14.3% = 85.7%

(d)at least 1 German chocolate and at least one chocolate raspberry?

The probability of at least 2 being 1 German and 1 chocolate raspberry

= 2/12

= 16.67%

Step-by-step explanation:

a) Probability of each kind of Cupcake

Kind of Cupcakes Quantity Probability

chocolate raspberry 12 14.285%

strawberry shortcake 12 14.3%

red velvet 12 14.3%

funfetti 12 14.3%

lemon 12 14.3%

German chocolate 12 14.3%

chocolate caramel 12 14.3%

b) The probability of choosing a kind of cupcake is the chance that, for example, a strawberry cupcake is chosen instead of the other six kinds. It expresses the opportunity that an event has in happening out of many other events that could have happened.

(x+1) (x-5)=16 formula cuadratica brainly

Answers

The calculated value of x in the equation (x + 1) (x - 5) = 16 is 7

Calculating the value of x in the equation

From the question, we have the following parameters that can be used in our computation:

(x + 1) (x - 5) = 16

The above expression is the product of two factors

(x + 1) and (x - 5)

And the result is 16

Express 16 as 8 * 2

So, we have

(x + 1) (x - 5) = 8 * 2

By comparison, we have

x + 1 = 8 and x - 5 = 2

When evaluated, we have

x = 7 and x = 7

This means that the value of x in the equation is 7

What is the range of the function y = -x2 + 1? Y<-1 Y>-1 Y<1 Y>1

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What is the range of the function y = -x2 + 1?
Y<-1
Y>-1
Y<1
Y>1