For each function, find (a) The critical numbers; (b) The open intervals where the function is increasing;

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For each function, find 

(a) The critical numbers; 

(b) The open intervals where the function is increasing;  

(c) The open intervals where it is decreasing.

f(x) = 3x4 + 8x3 – 18x2 + 5

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Calculus With Applications

ISBN: 9780321831101

10th Edition

Authors: Margaret L Lial, Raymond N Greenwell, Nathan P Ritchey

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