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12 February, 22:14

The derivative of a function f is given by f' (x) = x^3 - 4 sin (x^20 + 1. On the interval (-2.5, 2.5), at which of the following values of x dos f have a relative maximum?

A. - 1.970 and 0

B. - 1.467 and 1.075

C. - 0.475, 0.542, and 1.396

D. - 0.475 and 1.396 only

E. 0.542 only

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Answers (1)
  1. 13 February, 02:04
    0
    The answer is E. 0.542 only
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