Question

If f(x) = 7x, which of the following is the inverse of f(x)?
O A. F'(x) = 42
B. f(x) = x-7
C. F'(x) = x+7
D. f(x) = 7x
GBM

Answer 1

The inverse of f(x)=7x is . First you trade the y and x positions; from y=7x to x=7y. To find y, divide 7, getting you y=x/7, aka f(x)=x/7. None of the above answers you listed are correct.

Answer 2

the answers choice above are not it- they don’t match with my answe