Answer:
B. (f-g)(x)=4^x-1-2x+11
(f-g)(x) = (4^x-1+6) - (2x-5)
apply like terms while retaining order of operations
6 - (-5) = 11
4^x - 1 - 2x + 11
Step-by-step explanation:
f(g(x)) = 2x + 1
Substitute x = g(x) into f(x) , that is
f(g(x))
= f(2x)
= 2x + 1
