USING THE PROGRAMING LANGUAGE MATLAB

Exercise $9\mathrm{.}1$

Graph the equation $y=x^2$ from $x=-3$ to $x=+3.$ Use a step of $\mathrm{.}1$

between values in that interval.

Exercise $9\mathrm{.}2$

Create a graph of $y=2x-x^2$ over the interval $x=-2$ to $x=+4.$

Determine what step to use to show a smooth curve.