That was easy
Find the average value of f(x)=x^3 over the interval [0,2].
What is 4.
Find the average value of f(x)=1/sqrt(x) over the interval [4,9].
What is 1/30 or 0.0333
Integrate ∫xsqrt(x+5)dx
What is (2/5)(x+5)^(5/2)-(10/3)(x+5)^(3/2)+C