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vazorg [7]
3 years ago
7

F(16) – f(0) when f (x) = 4x – 8?​

Mathematics
1 answer:
soldier1979 [14.2K]3 years ago
3 0
The answer 56
Hope it helps
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An isosceles right triangle has legs that are 10 inches long . how long is the hypotenuse ?
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An isosceles right triangle has legs that are 10 inches long . how long is the hypotenuse ?A 10in 
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Solve for x and then type the answer. Just type the number. If there are 2 answers, then type both numbers, separated by a comma
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(x + 2)^(1/3) = 3 equivalent to ∛[(x+2)] = 3

Raise both sides to exponent 3


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For<br> every dog<br> pet store<br> there are 3 cats at the pet store. What's the ratio?
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1/3?

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3 years ago
The width of a sandbox is represented by x+5. The length of the sandbox is double the width. Determine an expression that would
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Step-by-step explanation:

3 0
2 years ago
Please help. 24 points!!
Lina20 [59]

The given function is,

f(x)= \frac{2x-1}{x+5}.

Or, y= \frac{2x-1}{x+5}

To find the inverse of a function, first step is to switch x and y. Therefore,

x= \frac{2y-1}{y+5}

Next stpe is to solve the above equation for y t get the inverse f f(x). Hence, multiply each sides by y + 5 to get rid of fraction form. So,

x*(y+5)= \frac{2y-1}{y+5}*(y+5)

xy + 5x = 2y - 1

xy = 2y - 1 - 5x Subtract 5x from each sides to isolate y.

xy - 2y = -5x - 1 Subtract 2y from each sides.

y(x - 2) = -5x -1 Take out the common factor y.

\frac{y(x-2)}{(x-2)} =\frac{(-5x-1)}{(x-2)} Divide each sides by x-2.

y=\frac{(-5x-1)}{(x-2)}

So, f^-1(x)=\frac{-5x-1}{x-2}

Now when we will compare f^-1(x)=\frac{-5x-1}{x-2} with f^-1(x)=\frac{ax+b}{cx+d} then we will get a = -5, b = -1, c = 1 and d=-2

So, \frac{a}{c} =\frac{-5}{1} =-5

Hope this helps you!

6 0
2 years ago
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