Question

For which pairs of functions is (f•g)(x) = x?
A. f(x) = x2 and g(x) = 1/x
B. F(x)and g(x) =2/x
C. F(x) = x32 and 3(x) = 2-3x
D. F(x)=2x-2 and g(x)=1/2x+2

Answer 1

Answer:

c f(x)=×32 and 3(×)=2-3×