Answer
linear, $f(x)=-5x+2$
Work Step by Step
Step 1. We can determine the relation is linear because the y-spacing is proportional to the x-spacing.
Step 2. Use two points, we can find the slope $m=\frac{-3-2}{1-0}=-5$, with point $(0,2)$, we have $y-2=-5x$ or $y=f(x)=-5x+2$
