Use a graphing calculator to find the location of all relative extrema (to three decimal places).f(x) = x5 - 15x4 - 3x3 - 172x2 + 135x + 0.051

A. Relative maximum at x = 0.305; relative minimum at x = -12.613
B. Relative maximum at x = 0.379; relative minima at x = -0.472 and x = 12.565
C. Relative maximum at x= 0.379; relative minimum at x = 12.565
D. Relative maximum at x = 0.423; relative minima at x = -0.436and x = -12.642


Answer: C

Mathematics

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