If Fx) = 7x, which of the following is the inverse of (Fx)? A. F^1(x) = x/7 B. F^1(x) = 7x C. F^1(x) = x-7 D. F^1(x) = x+7

asked Mar 27, 2022 135k views

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If Fx) = 7x, which of the following is the inverse of (Fx)?

A. F^1(x) = x/7
B. F^1(x) = 7x
C. F^1(x) = x-7
D. F^1(x) = x+7

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Answer:

A. F^1(x) = x/7

Explanation:

$y = 7x \\ x = 7y \\ (x)/(7) = (7y)/(7)$

y = (x)/(7)

Therefore the inverse is

$f {}^(1) = (x)/(7)$

Occhiso answered Apr 3, 2022

3.2k points

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