College Algebra (MindTap Course List)
College Algebra (MindTap Course List)
12th Edition
ISBN: 9781305652231
Author: R. David Gustafson, Jeff Hughes
Publisher: Cengage Learning
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Try substituting 1. You will get 6 and not 0. Try other real values also. What About -2? Let us check.
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f(x) = x4/x2 + x − 30
find the domain

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