explain step by step. thanks

(12 pts) Set up and evaluate the integral needed to find the exact volume V of the solid whose base is in the first quadrant bounded by the curve y = v4r + 2. the line r = 0, the line r = 2, and the z-axis using cross-sections perpendicular to the r-axis that are semi-circles. y-axis y= V 4r + 2 Xxis