I need Question 6.

In problems 3 - 8 , evaluate A'(x) at x = 1,2, and 3. X X X 3. A(x) = | 2t dt 4. A(x) = | 2t dt 5. A(x) = | 2t dt 0 -3 X X X 6. A(x) = | (3 -+2) at 7. A(x) = sin(t) dt 8. A(x) = | It -21 dt 0 O