Question

A city's population was 28,600 people in the year 2015 and is growing by 950 people a year. (a) give a formula for the city's population, p, as a function of the number of years, t, since 2015.

Answer 1

`p = 28600 + 950t`

Answer 2

The required formula is:
`p=28600+950t`

Explanation:

Consider the provided information.

A city's population was 28,600 people in the year 2015 and is growing by 950 people a year.

Let t is the number of years since 2015, and the population of city is denoted by p,

Each yr population is growing by 950.

That means for t yr since 2015 population will grow 950t

In 2015 the population was 28,600

Thus, the required formula is:
`p=28600+950t`