Absolute Value Inequalities

Question

The temperature today is within the range of 2 of 48?

askus_aplus · Answer

Since "within" implies that the temperature can be up to 2 degrees away from the midpoint of 48 degrees in either direction, the symbol to use is less than or equal to.
In other words, the distance between the temperature t, and the midpoint 48, is less than or equal to 2. 
So the inequality is:  |t-48|<=2That's it!

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Absolute Value Inequalities

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