3 years ago

What is the range of the function y = x ^2?

Mathematics

1 answer:

VikaD [51]3 years ago

3 0

Range: [0, ∞), {y|0 ≤ y}

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For which function is 5 NOT an element of the range?

Darina [25.2K]

B. y = -2 + 4
y = 2 not 5

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2 years ago

Aramp is 17 feet long, rises 8 feet above the floor, and covers a horizontal distance of 15 feet, as shown in the figure.

bonufazy [111]

Answer:

The ratio of Tan B is

$\tan B= \dfrac{AC}{BC}=\dfrac{8}{15}$

$\tan A= \dfrac{BC}{AC}=\dfrac{15}{8}$

Step-by-step explanation:

In Right Angle Triangle ABC

angle C = 90°

AB = Ramp = 17 feet

BC =Horizontal distance = 15 feet

AC = Height from floor = 8 feet

To Find:

Ratio of Tan B = ?

Solution:

In Right Angle Triangle ABC By Tangent Identity we have

$\tan B= \dfrac{\textrm{side opposite to angle B}}{\textrm{side adjacent to angle B}}$

Substituting the given values we get

$\tan B= \dfrac{AC}{BC}=\dfrac{8}{15}$

$\tan A= \dfrac{BC}{AC}=\dfrac{15}{8}$

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3 years ago

Simplify the expression. 20 • 5–2<br><br> a) 25<br> b) –500<br> c) –200<br> d) 4/5

SCORPION-xisa [38]

Answer: D) 4/5

Hope this helps :)

8 0

2 years ago

Need help asp please I ready

Natalka [10]

Answer:

-4m-3

Step-by-step explanation:

-0.25 times 16 is the same thing as dividing 16 by -4. 16m divided by -4 is -4m

-0.25 times 12 is the same thing as dividing 12 by -4. 12 divided by -4 is -3

3 0

3 years ago

Read 2 more answers

G solve the equation, and check the solution. R plus 7 equals 9r+7=9 the solution set is startset nothing endset . (type an in

xenn [34]

<h3>Given</h3>

... r + 7 = 9

... r

<h3>Solution</h3>

Subtract 7 from both sides of the equation.

... r + 7 - 7 = 9 - 7

... r = 2 . . . . . . simplify

Expressed as a solution set, this may look like ...

... r ∈ {2}

_____

You probably had no trouble solving this in 2nd grade when it was shown to you in the form ...

__ + 7 = 9

7 0

3 years ago