Question

If F(x)= 2x and G(x) = log x, find F[G(x)]
A. 2logx
B. log2x
C. 2xlogx

Answer 1

put g(x) in for x everywhere in f(x)

f(x) = 2x

f(g(x)) = 2g(x)

f(g(x) = 2(log(x))

Choice A