Question

Given the function f(x)=2 x 4^x-5, what is the value of f (2)?

A.
9

B.
32

C.
27

D.
25

Answer 1

f(x)= 2 * 4^x - 5. f(2)

f(2)=2 * 4^2 - 5
= 2 * 2^4 - 5
=2^5 - 5
= 32 - 5
= 27