Chapter 4, Problem 65RE

(a)

To determine

The function of the form $f\left(x\right)=a{\left(b\right)}^x$ with the help of the data points from the year 2011 and 2016.

(c)

To determine

To calculate: The gross profit in the year 2017for the function $f\left(x\right)=25{\left(1.057\right)}^x$

(d)

To determine

The first full year in which the gross profit exceeds $40 billion for the function $f\left(x\right)=25{\left(1.057\right)}^x$.