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posted by Taeyeon on Sunday, February 26, 2012 at 4:10pm.
3. For what value of k will x+k/x have a relative maximum at x = -2? A. -4 B. -2 C. 2 D. 4 E. None of these
y = x + k/x y' = 1 - k/x^2 1 - k/x^2 = 0 1 - k/4 = 0 k = 4 (D)
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