3 years ago

Find the slope of the line that passes through the

Mathematics

1 answer:

GalinKa [24]3 years ago

8 0

The answer is =3.......

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If f(x) = −4x 2 + 15, then f(−3)

xxTIMURxx [149]

Answer:

-21

Step-by-step explanation:

f(-3) = -4(-3)² + 15 = -4(9) + 15 = -36 + 15 = -21

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3 years ago

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Monique bought a shirt for $22.80 during a 30% off sale. How much does the shirt cost when it is not on sale?

spin [16.1K]

Answer:

29.64

Step-by-step explanation:

First we multiply 0.3 with 22.8.This will give us 6.84 which is the 30% off.Now we add 22.80 and 6.84 and we will get our answer 29.64.

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2 years ago

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Solve this equation. (4w-28)+(11w+13)=180

Kitty [74]

Solve for w by simplifying both sides of the equation, then isolating the variable.

w=13

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3 years ago

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Kipish [7]

1.4 or square root of 2

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2 years ago

Which pair of expressions represents inverse functions?

faust18 [17]

In this question , we have to find, which option represents inverse functions.

Let's check out option b

Let it be y

So we have

$y = \frac{x+3}{4x-2}$

Switching x and y and solving for y,

$x = \frac{y+3}{4y-2}$

Performing cross multiplication

$4xy -2x = y+3$

Combining like terms

$y(4x-1) = 3+2x$

$y = \frac{2x+3}{4x-1}
\\
f^{-1} (x) = \frac{2x+3}{4x-1}$

Which is same as of the other function.

So correct option is b .

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3 years ago

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