### Home > CC4 > Chapter 11 > Lesson 11.2.3 > Problem11-78

11-78.
1. This problem is a checkpoint for the exponential web. It will be referred to as Checkpoint 11. Homework Help ✎

1. Graph y = 2(0.75)x.

2. Write the equation for the exponential function based on the table below.

3. The population of Flood River City is now 42,000. Experts predict the population will decrease 25% each year for the next five years. What will be the population in five years?

4. A share of Orange stock that was worth $25 in 2000 was worth$60 in 2010. What is the annual multiplier and percent increase?