Concept explainers
To graph: the inequality.
Explanation of Solution
Given information:
Calculation:
Substitute different values of x in
8 | |
6 | |
4 | |
0 | |
2 | |
0 | 4 |
2 | 6 |
4 | 8 |
8 | 12 |
10 | 14 |
12 | 16 |
Now plot the points on the graph and join them. Since the inequality has less than or equal to sign so solid line will be used to join the point coordinates. The test points for
Test point | Inequality | True/False |
True | ||
False |
The region having the true point will be shaded as shown below. The shaded region represents the inequality,
Chapter 6 Solutions
Advanced Mathematical Concepts: Precalculus with Applications, Student Edition
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