Which of the following functions is the inverse of f left-parenthesis x right-parenthesis equals 3 x?

Question

(1 point)
Responses

f left-parenthesis x right-parenthesis equals negative 3x
Image with alt text: f left-parenthesis x right-parenthesis equals negative 3x

f Left-parenthesis x Right-parenthesis equals x Superscript 3 Baseline
Image with alt text: f Left-parenthesis x Right-parenthesis equals x Superscript 3 Baseline

f left-parenthesis x right-parenthesis equals StartFraction x over 3 EndFraction
Image with alt text: f left-parenthesis x right-parenthesis equals StartFraction x over 3 EndFraction

This function does not have an inverse

Answer 1

The inverse function of f(x) = 3x is f^(-1)(x) = (1/3)x. Therefore, the correct answer is:
f left-parenthesis x right-parenthesis equals StartFraction x over 3 EndFraction