Chapter 1 - Section 1.1 - Functions from the Numerical, Algebraic, and Graphical Viewpoints - Exercises - Page 53: 35a

$\mathrm{f}(0)=0$

Create three tables, one for each function per interval. In each table select several x values from the interval and calculate the function values. Each pair defines a point on the graph. Plot the points and join with a smooth curve (three curves, one per interval.)