Find the relative extrema of the function, if they exist.f(x) = x3 - 12x + 4

A. Relative maximum at (5, 69); relative minimum at (2, -12)
B. Relative maximum at (-2, 20); relative minimum at (2, -12)
C. Relative maximum at (5, 69); relative minimum at (-3, 13)
D. Relative minimum at (-2, 20); relative maximum at (2, -12)


Answer: B

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