- y = x^2 and y = 4; about the line y = −1.
(A)(B)(C)(D)
(E) none of these- y = 3x − x^2 and y = 0; about the x-axis.
(A)(B)(C)(D)(E)- y = 3x − x^2 and y = x; about the x-axis.
(A)(B)(C)(D)(E)- y = ln x, y = 0, x = e; about the line x = e.
(A)(B)(C)