Find the area of the enclosed by the curve $y=-x^2$ and the straight line $x+y+2=0.$

Question

$\begin{array}{1 1} \frac{9}{2}\;sq.units. \\ 18\;sq.units. \\ \frac{7}{2}\;sq.units. \\ \frac{17}{2}\;sq.units \end{array} $