Here are some area and volume questions i'm struggling with. can someone please help? (3/4)

Question 22 (3 points) A region bounded by y) = -y2 + 4 and x = 1 is shown below. Find the volume of the solid formed by revolving the region about the y-axis. Question 20 (3 points) A region bounded by f(x) = 2x + 2, y = x, and x = 2 is shown below. Find the volume of the solid formed by revolving the region about the x-axis. X 21 1234 56 7 8I Question 21 (3 points) A region bounded by fix) = a} , y = 0, x = 1, and x = 8 is shown below. Find the volume of the solid formed by revolving the region about the x-axis. 123458769 Question 19 (3 points) A region bounded by fix) = J; + 2, y = 1, x = 1, and x = 4 is shown below. Find the volume of the solid formed by revolving the region about the x-axis