To solve and graph: the given inequality
Answer to Problem 26CR
The required result is
Explanation of Solution
Given:
Calculation:
In solving absolute value inequalities, remember that
Also,
In graphing the inequalities, remember that inequalities joined by "and" is the intersection of the inequalities while those joined by "or" is the union of the inequalities.
Divide both sides by 4
Write a compound inequality
Add both sides by 3
Simplify
Since the inequalities are joined by "and", take the intersection of the inequalities as its solution set.
Therefore, its graph should have a closed point at 3 and a shaded line going to the right until the closed point at 9, as in:
Conclusion:
The required result is
Chapter 2 Solutions
BIG IDEAS MATH Integrated Math 1: Student Edition 2016
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