e$.$ Determine the general antiderivative of each function Show all work

$($i$)-2$ Marks

$($ii$)-3$ Marks

$($iii$)-5$ Marks

$f(x)=\frac{x^2+4}{x^2+7}$

$f(x)=\{\begin{array}{cc}|x^2-4|,& x<mn\; id="EditorElement\_552368">5</mn>\\ \frac{2}{x-4},& x5\end{array}$