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Find the value of k for which local minimum is the largest

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Reference no: EM131604280

Question: Let f(x) = ex - kx, for k > 0.

(a) Graph f for k = 1/4, 1/2, 1, 2, 4. Describe what happens as k changes.

(b) Show that f has a local minimum at x = ln k.

(c) Find the value of k for which the local minimum is the largest.

Reference no: EM131604280

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