10. Find the indefinite integral. Remember to include a "+ C" if appropriate. Enclose arguments of functions in parentheses. For example,sin(2x)sin2x.

(x1/135sin(x))dx=

11. Estimate the area under the graph of the function f(x)=x+51 from x=0 to x=3 using a Riemann sum with n=10 subintervals and right endpoints.

Round your answer to four decimal places.

area=________

(b) Estimate the area under the graph of the function f(x) =x+51 from x = 0 to x = 3 using a Riemann sum with n=10 subintervals and left endpoints. Round your answer to four decimal places.

area=_________

12. Estimate the area under the graph of the function f(x) =x+6 from x=-3 to x=4 using a Riemann sum with n=10 subintervals and midpoints. Round your answer to four decimal places.

area=________