Concept explainers
The solution of each conjunction or disjunction and the graph of solution set if it is not empty.
Answer to Problem 11WE
Explanation of Solution
Given:
The given statement is:
Calculation:
The given inequalities can be written using ‘and’ as:
Now, solving the inequalities for the value of r:
The graph of the solution set will be:
-2 and 2 are not included in the solution set, hence they are represented by the open
Chapter 2 Solutions
Algebra and Trigonometry: Structure and Method, Book 2
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