domain of  a.radical(5-x) - radical(x2-9) b. radical(-x3+5x2+9x-45)

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter1: Fundamental Concepts Of Algebra
Section1.2: Exponents And Radicals
Problem 43E
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domain of  a.radical(5-x) - radical(x2-9)

b. radical(-x3+5x2+9x-45)

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