MATLAB

The provided code creates a figure with two lines.

a$)$ Modify the code to make the line plotted for x vs$.$ y$1$ to be dashed and red

b$)$ Modify the code to make the line plotted for x vs y$2$ to be blue and dotted

c$)$ Add a legend

d$)$ Adjust the axes so that the x$-$axis goes from $-1$ to $2+1,$ and y$-$axis from $-1\mathrm{.}5$ to $+1\mathrm{.}5.$