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)

Question

Moriah Roth

Mathematics

30 March, 23:51

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)

+3

Answers (1)

Know the Answer?

Angelique Jordan · Answer 1

C. 1/3 (3x)

Step-by-step explanation:

In order to verify if functions are inverses, you need to plug one into the other. In this case, it would be g of f (x) or g (f (x)). You will be able to see that g (f (x)) = 1/3 (3x)

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)

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)