### Home > A2C > Chapter 3 > Lesson 3.2.3 > Problem 3-121

3-121.

**Investigate** the function *y* = 2 · 4* ^{x} *. What would be the effect of replacing the 2 with a 5? What would be the effect of adding +1 to the end of the equation, making it

*y*= 2 · 4

*+ 1? Include sketches as a part of your*

^{x}**investigation**. Homework Help ✎

Experiment with the functions. Creating a table of values and graph for every function will help you.