Question

HELP!! What is f(x) = 4x + 8 when x = 7

Answer 1

36

Explanation:

4(7) = 28

28+8=36

Answer 2

Subtract 2 2 from 2 2 . Add x x and 0 0 . Since g(f(x))=x g ( f ( x ) ) = x , f−1(x)=x4−2 f - 1 ( x ) = x 4 - 2 is the inverse of f(x)=4x+8 f ( x ) = 4 x + 8 .