Please help with these questions!!!!!

W Q 5. (06.02 MC) n . 1 5/,3, 5, .) ]-? M i=1 4 n n (10 points) What integral can be approximated with the following: O (2 4 (5x ) 3 ax O ( 21 (5x)3 dx O (21 3 dx O 2 1 Lx'dx -3W 7. (06.04 MC) If J_2[2f(x)+2]dx = 18 and 1, f( x )dx = - 8, then If(x )ax is equal to which of the following? (10 points) O 4 Oo O - 2 O - 4\f9. (06.06 MC) (2x -_)22 Which of the following is an antiderivative of (10 points) 4 +4x +6 1. 3 X 4 3 3-4X - 1 +6 11. 3 X 4 3 _4x -In x+6 III. I only O ll only O ll and Ill I and