The table shows the annual income of a small theater company. Which type of function best models the data?
Year 0 1 2 3 4
Income ($) 18,250 18,730 19,210 19,090 20,170
a. Linear
b. Exponential
c. Quadratic
a. Linear
The income is increasing by a relatively consistent amount each year, so a linear function would best model the data.