If f(x) = 3x and g(x) = 1/3x which expression could be used to verify that g(x) is the inverse of f(x)? a. 3x(x/3) b. (1/3x)(3x) c.1/3(3x) d. 1/3(1/3x)

Step-by-step explanation:

To verify if two functions are inverse, we have to find the composition of such functions, that is:

; which results must be the variable to be inverse functions.

We know that: .

Replacing on the composition:

Therefore, the expression that has to be used to verify that these functions are inverse is C.

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step-by-step explanation:

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