Answer
D= [1,$\infty$)
Work Step by Step
x-1$\geq$0
x$\geq$1
x+5$\geq$0
x$\geq$-5
These two inequalities intersect on x$\geq$1. Therefore, the domain includes all real numbers that are greater than or equal to 1.
College Algebra (6th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-32178-228-3
ISBN 13:
978-0-32178-228-1
Chapter 2 - Summary, Review, and Test - Review Exercises - Page 326: 75
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