Find the area of the shaded region. The image is not to scale. y=x Consider c=25. C y=-x Enter the exact answer. Evaluate the integral by making an appropriate substitution. NOTE: Enter the exact answer. S 11 de et = 0 X Find the area of the shaded region. NOTE: Enter the exact answer. A = 4 y = x + 4 y=x H Use cylindrical shells to find the volume of the solid generated when the region enclosed by the given curves is revolted about the x-axis. y = x, y = 7, x=0 NOTE: Enter the exact answer. V Use cylindrical shells to find the volume of the solid generated when the region enclosed by the given curves is revolved about the y-axis. y=x, x=9, y = 0 NOTE: Enter the exact answer. V C 6561 4 X