Find the area of the region bounded by the curve $y^2 = x$ and the lines $x = 1, x = 4$ and the $x$ - axis.

Question

$\begin{array}{1 1} \large \frac{14}{3}sq.units. \\ \large \frac{7}{3}sq.units. \\ \large \frac{28}{3}sq.units. \\ \large \frac{11}{3}sq.units.\end{array}$