Exercise 20 Page 159

The $x\text{-}$ and $y\text{-}$intercepts occur at the points where the function crosses the $x\text{-}$ and $y\text{-}$axes, respectively. At the $x\text{-}$intercept, $y$ is $0.$ Similarly, at the $y\text{-}$intercept, $x$ is $0.$ From the table, we can identify these coordinates.