Chapter 4.6, Problem 9E

To determine

(a)

To find:

An exponential model $n\left(t\right)=n_0{2}^{\frac{t}{a}}$ for the population $t$ years after 2014.

To determine

(b)

To find:

A function $n\left(t\right)=n_0{e}^{r\cdot t}$ that models the population $t$ years after 2014.

To determine

(c)

To sketch:

The graph of the population of a city at time $t$.

To determine

(d)

To find:

The number of years required for the population to reach 500,000.