Mathematics, 03.11.2019 21:31 lunaandrew332

Which one of the following statements is true?

if f ′′(x) > 0 on the interval (a, b) then f(x) is concave down on the interval (a, b).
if f ′(x) > 0 on the interval (a, b) then f(x) is increasing on the interval (a, b).
if f ′(c) = 0, then x = c is a relative maximum on the graph of f(x).
none of these are true.

Answers: 3

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Which one of the following statements is true?

if f ′′(x) > 0 on the interval (a, b...