Question

Which of the following pairs of functions are inverses of each other?

A.
$f(x) = \frac{x}{4} + 10 \: and \: g(x) = 4x - 10$
B.
$f(x) = {2x}^{3} + 9 \: and \: g(x) = \sqrt[3]{ \frac{x}{2} } - 9 \:$
C.
$f(x) = \frac{12}{x} - 18 \: and \: g(x) = \frac{12}{x + 18}$
D.
$f(x) = {6x}^{3} - 7 \: and \: g(x) = \frac{ {x}^{3} + 7}{6}$

answer: C.
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Answer 1

The answer is c hopefully it helps