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anonymous

  • one year ago

If the graph of f " (x) is continuous and has a relative maximum at x = c, which of the following must be true? A. The graph of f has a relative maximum at x = c. B. The graph of f has an inflection point at x = c. C. The graph of f has a relative minimum at x = c. D. None of the above is necessarily true.

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  1. anonymous
    • one year ago
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    The relative extrema of a second derivative don't tell you anything about f(x)'s extrema of inflection points

  2. anonymous
    • one year ago
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    are you suggesting the answer is D?

  3. anonymous
    • one year ago
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    I think so, since zeros of f ' (x) give relative extrema of f(x) and zeros of f " (x) give inflection points.

  4. anonymous
    • one year ago
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    yep it was right thank you

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