Mathematics

Mathematics

Problem

Determine the interval(s) on which the function f(x)=x4−4x3f(x)=x^{4}-4x^{3} is decreasing. a) (−∞,0)(-\infty,0) b) (3,∞)(3,\infty) c) (−∞,3)(-\infty,3) d) (0,3)(0,3)

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