Please help

Write the integral(s) to find each of the following for the region given for each part Do not integrate. You do not have to redraw the region. (some may require more than one integral) a. The area of the region pictured bounded by y 2 0, y s 4, x21/4+3y 4,andxs-2. b. The volume of the solid generated by revolving the region bounded by y s x, y 2 cos (Ex) 1, and x s 4 about the line y = 5