Find the range in which the function f(x) = 8 + 40x3 – 5x4 – 4x5 is increasing.

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answerhappygod
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Find the range in which the function f(x) = 8 + 40x3 – 5x4 – 4x5 is increasing.

Post by answerhappygod »

a) 2<z<0, 0<z<3
b) 1<z<0, 0<z<2
c) 3<z<0, 0<z<2
d) 3<z<0, 0<z<4
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