Find the area of the region bounded by the y-axis, the parabola and line whose equations are given below by taking the elements of area perpendicular to the x-axis $2+y+4=03y=8 0 Option 3 O Option4 A solid is generated when the region in the rst quadrant bounded by the curve given below, the line y=1, and the y-axis is revolved about the x- axis. Taking rectangular elements perpendicular to the axis of revolution, its volume is found by evaluating which of the following integrals? O Optioni O Option2 O Option 3 O Option 4