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.

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

OpenStax, Precalculus 2e · §2.1 Linear Functions · Example 10