Find the coordinates of the critical point

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Question: For any constant a, let f(x) = ax - x ln x for x > 0.

(a) What is the x-intercept of the graph of f(x)?

(b) Graph f(x) for a = -1 and a = 1.

(c) For what values of a does f(x) have a critical point for x > 0? Find the coordinates of the critical point and decide if it is a local maximum, a local minimum, or neither.

Reference no: EM131604284

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