### Home > CC4 > Chapter 1 > Lesson 1.2.1 > Problem 1-39

1-39.

If *f*(*x*) = 2* ^{x}*, then

*f*(4) = 2

^{4}= 16. Find the value of: Homework Help ✎

Following the pattern shown in the problem,

*f*(1) = 2^{1}= ?

*f*(3) = 2^{3}= 8

Refer to parts (a) and (b).