how do i solve these?

"A Homework 9 - MA 121, section 0 X Course Hero X C webassign.net/web/Student/Assignment-Responses/last?dep=24330737#Q7 8. [-/1 Points] DETAILS MY NOTES Integrate (using substitution) and evaluate to 4 decimal places. 13 5x * + 3 dx 9. [-/1 Points] DETAILS MY NOTES Find the area of the region bounded by the two curves. y = x2 + 4 y = 2x + 4 10. [-/1 Points] DETAILS MY NOTES Integrate (using substitution). It ( 41 2 - 1 ) " at + C symbolic formatting help 11. [-/1 Points] DETAILS MY NOTES If F ' (x) = f(x), then [ f(x) @x equals which of the following? O F(a) - F(b) Of(a ) - f(b ) O none of these O F(x) + c (where c is an arbitrary constant) O F ( b ) - F ( a ) O f ( b ) - F ( a ) Type here to search O w 7:50 PM 199 11/17/2020