calculus
posted by bob .
Find the average value of the function on the given interval
f(x) = 2x^3(1+x^2)^4, [0,2]

Integrate the function f(x) from 0 to 2 and divide the result by 2 (the interval width).
Multiply out the (1+x^2)^4 term and do the integration one term at a time.