$a\right)$ $Gi$ Give an example of two odd functions $f\left(x\right)$ and $g\left(x\right)$ wvhose difference is $an$ even function.
$b\right)$ Give an example of two functions $f\left(x\right)$ and $g\left(x\right)$ whose sum represent $a$ vertical stretch apPplied
to one of the functions.
Explain the three ways $y0y$ $C81$ determine the composition of two functions, $f$ and $g7$