WyzAnt.comLet f"(x)=4x^3 -2x and let f(x) have critical values -1, 0, and 1. Determine which critical values give a relative maximum How do you figure this out and which is the right answer and why? a) -1 b) 0 c) 1 d) -1 and 1 e) none of these
Let f"(x)=4x^3 -2x and let f(x) have critical values -1, 0, and 1.?
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1 Answer
Relative maximum means f''(x) < 0.
f''(-1) = -4+2 < 0
f''(0) = 0
f''(1) = 4-2 > 0
Answer: a) -1
