Maxima and Minima

Sketch the graph of the function x^{4}-4x^{3}+13.  Has this function a maximum or a minimum value?  If so, find it.

Source: Rosenberg, R.L. (1984). Elementary Calculus: Course Notes. Ottawa, Canada: Holt, Rinehart and Winston. (Exercise 2: Question 4, p. 10)

Author: ascklee

Dr. Lee teaches at the Wee Kim Wee School of Communication and Information at the Nanyang Technological University in Singapore. He founded The Mathematics Digital Library in 2013.

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