(a) If a is a nonzero constant, find all critical points off(x) = ax2 + x.(b) Use the
Chapter 4, Problem 22(choose chapter or problem)
(a) If a is a nonzero constant, find all critical points off(x) = ax2 + x.(b) Use the second-derivative test to show that if a ispositive then the graph has a local minimum, and ifa is negative then the graph has a local maximum.
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