Find all the numbers that must be excluded from the domain of each rational expression:a.7/x + 5    b. x/x2 - 36   c. 7x/x2 - 5x - 14

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter4: Polynomial And Rational Functions
Section: Chapter Questions
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Find all the numbers that must be excluded from the domain of each rational expression:
a.7/x + 5    b. x/x2 - 36   c. 7x/x2 - 5x - 14

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