Concept explainers
To find:
Thevalue of the given inequality.
Answer to Problem 10E
Explanation of Solution
Given:
The equation
.
Concept used:
Replace the inequality sign and sketch the graph of the resulting equation (use a dashed line for < or > and a solid line for
Test one point in each of the region formed by the graph
If the point satisfies the inequality then shade the entire region to denote that every point in the region satisfies the inequality
Calculation:
The equation
Squaring on both sides
Chapter 4 Solutions
Advanced Mathematical Concepts: Precalculus with Applications, Student Edition
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