Solved: 6164. Peaks and valleys The following functions
Chapter 12, Problem 61(choose chapter or problem)
6164. Peaks and valleys The following functions have exactly one isolated peak or one isolated depression (one local maximum or minimum). Use a graphing utility to approximate the coordinates of the peak or depression. f 1x, y2 = x2y2 - 8x2 - y2 + 6
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