Using Tabular Form to Write an Equation for a Linear Function

The table relates the number of rats in a population to time, in weeks. Use the table to write a linear equation.

$$\begin{array}{ccccc}\text{number of weeks, w}& \text{0}& \text{2}& \text{4}& \text{6}\\ \text{number of rats, P(w)}& \text{1000}& \text{1080}& \text{1160}& \text{1240}\end{array}$$

OpenStax, Algebra and Trigonometry 2e · §4.1 Linear Functions · Example 9