Answer
3
Work Step by Step
We are given $\frac{3x}{x+3}+\frac{9}{x+3}$. Both denominators are the same, so we can combine the numerators over the common denominator.
$\frac{3x}{x+3}+\frac{9}{x+3}=\frac{3x+9}{x+3}=\frac{3(x+3)}{x+3}=3$
Intermediate Algebra (6th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321785045
ISBN 13:
978-0-32178-504-6
Chapter 9 - Section 9.5 - Logarithmic Functions - Exercise Set - Page 572: 91
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