Originally Posted by

**some_nerdy_guy** Ok, so I was sick one lecture and couldn't make it but now I'm stuck on my homework assignment and cannot reach anybody to fill me in on how to complete certain problems (and our book is just awful in giving examples.)

I've figured out how to do problems with just the two functions themselves [ie: f(x) = 5-x^2 ; g(x) = x^2-3)] but I don't understand what to do when two x values are already given.

Problem: f(x) = 5-x^2 ; g(x) = x^2-3 ; x = 0, x = 4

The answer is 32. I keep getting stuck when I reduce the equation to -2x^3/3 + 8x (4 to 0)