These are pretty easy with calculus, however, I assume you have not had integral calculus. So what have you had? Simpson's rule can be used, as well as a number of other numerical integration algorithms.
http://en.wikipedia.org/wiki/Simpson's_rule
Find the area between each curve and the x-axis for the given interval.
1)y = x^4 + 5 from x = 0 and x = 5
2)y = 3x^2 + 5x - 1 from x = 1 to x = 4
3)y = 4x - x^3 from x = 0 to x = 2
2 answers
I've had algebra, algebra 2 and advanced math