Trigonometry (MindTap Course List)
10th Edition
ISBN:9781337278461
Author:Ron Larson
Publisher:Ron Larson
Chapter4: Complex Numbers
Section4.2: Complex Solutions Of Equations
Problem 6ECP: Find a fourth-degree polynomial function f with real coefficients that has 2, 2, and 7i as zeros.
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Question
If r is a real zero of even multiplicity of a polynomial function f, then the graph of f ________ (crosses/touches) the x-axis at r.
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