Intermediate Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-894-7
ISBN 13: 978-0-13417-894-3

Chapter 1 - Section 1.1 - Algebraic Expressions, Real Numbers, and Interval Notation - Exercise Set: 23

Answer

44

Work Step by Step

Substitute x=9 into the expression: $4+5(9-7)^{3}$ We follow order of operations: First we solve what's in the parenthesis: $4+5(2)^{3}$ Then, exponents: $4+5(8)$ Then, multiply outside the parenthesis: $4+40$ Finally, add: $44$
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