To find: the compound inequality does not belong with the other three.
Answer to Problem 2E
The compound inequality
Explanation of Solution
Given information:
Given inequality
Calculation:
It is required to find the inequality which does not belong to the other three.
To analyze the difference between the above compound inequalities, first draw the graph of the above inequalities.
The graphs of the above inequalities are shown below:
Here, it can be noted that the graph of the first three inequalities are such that it extends indefinitely on both positive and negative sides of the number line whereas the graph of the fourth inequality is restricted between the points -9 and 6.
In this respect, the fourth inequality given by
Thus, the compound inequality
Chapter 2 Solutions
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