Given f (x) = 3x 4 2x 3 + 7x 2, how many sign changes
Question:
Given f (x) = 3x4 − 2x3 + 7x − 2, how many sign changes are there in the coefficients of f (−x)?
(a) 0
(b) 1
(c) 2
(d) 3
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Related Book For 
Precalculus Concepts Through Functions A Unit Circle Approach To Trigonometry
ISBN: 9780137945139
5th Edition
Authors: Michael Sullivan
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