Let f be a function continuous on [0, 1] and twice differentiable on (0, 1). (a) Suppose that f(0) = f(1) = 0 and f(c) >0 for some c € (0, 1). Prove that there exists xo € (0, 1) such that f"(x) < 0. (b) Suppose that ["* f(x) dx = f(0) = f(1) = 0. Prove that there exists a number xo € (0, 1) such that f"(x) = 0.
Let f be a function continuous on [0, 1] and twice differentiable on (0, 1). (a) Suppose that f(0) = f(1) = 0 and f(c) >0 for some c € (0, 1). Prove that there exists xo € (0, 1) such that f"(x) < 0. (b) Suppose that ["* f(x) dx = f(0) = f(1) = 0. Prove that there exists a number xo € (0, 1) such that f"(x) = 0.
Chapter3: Functions
Section3.3: Rates Of Change And Behavior Of Graphs
Problem 2SE: If a functionfis increasing on (a,b) and decreasing on (b,c) , then what can be said about the local...
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