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tatuchka [14]
3 years ago
11

Find the inverse of the function.

Mathematics
1 answer:
liq [111]3 years ago
3 0

Answer:

The option 'b' is true.

Step-by-step explanation:

Given the expression

f\left(x\right)=\frac{2}{x+7}

A function g is the inverse of the function f if for y=f(x), x=g(y)

y=\frac{2}{x+7}

Replace x with y

\:x=\frac{2}{y+7}

solve for y

y=\:\:\frac{2}{x}-7

Thus,

f^{-} (x)=\frac{-7x+2}{x}

Therefore, option b is true.

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