Use calculus techniques (can they be a bit more specific? :p) to show that the graph of the quadratic function f(x) = ax2 + bx + c, a>0 is decreasing on the interval x<(-b/2a) and increasing on the interval x>(-b/2a).

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- Apr 20th 2008, 01:33 PMNAPA55Not sure how to do this one
Use calculus techniques (can they be a bit more specific? :p) to show that the graph of the quadratic function f(x) = ax2 + bx + c, a>0 is decreasing on the interval x<(-b/2a) and increasing on the interval x>(-b/2a).

- Apr 20th 2008, 02:34 PMTheEmptySet
- Apr 20th 2008, 05:02 PMMathstud28