Cost: Hard Drive Storage Exercises 49 and 50 are based on the followin...

Cost: Hard Drive Storage Exercises 49 and 50 are based on the following data showing how the approximate retail cost of a gigabyte of hard drive storage has fallen since 2000:

a. Graph each of the following models together with the data points above and use your graph to decide which two of the models best fit the data: HINT [See Example 5 and accompanying technology note.]

b. Of the two models you chose in part (a), which predicts the lower price in 2020? What price does that model predict?