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Elementary Algebra

Lynn Marecek, MaryAnne Anthony-Smith

$Math Studyset Vaia Explanations$ Math

2nd Edition · 1240 pages

ISBN: 9780998625713

Chapter 1: Q 1.38 (page 31)

Evaluate $x = 6$ when $x^{3} a n d 2^{x}$

Short Answer

Expert verified

Part (a) 216.

Part (b) 64.

Step by step solution

01

Part (a) Step 1. Given information.

The given expression $x = 6$

(a) $x^{3}$

(b) $2^{x}$

02

Part (a) Step 2. Substitute x=6 for x3

$F o r x^{3} x = 6 = 6^{3} = 216$

03

Part (b) Step 1. Substitute x=6 for 2x

$F o r 2^{x} x = 6 = 2^{6} = 64$

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Most popular questions from this chapter

Greg has nickels and pennies in his pocket. The number of pennies is seven less than twice the number of nickels. Let n represent the number of nickels. Write an expression for the number of pennies.

Identify the terms in the expression $4 x^{2} + 5 x + 17$ .

In the following exercises, translate the phrases into algebraic expressions.

seven times the difference of y and one

Translation from Algebra to English.

$17 < 35$

In the following exercise, divide: $35 \div (- 7)$

See all solutions

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