Question 767725
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Add *[tex \LARGE -12] to each of the three parts of your compound inequality:


*[tex \LARGE \ \ \ \ \ \ \ \ \ \ -24\ <\ 4x\ <\ -12]


Multiply by *[tex \LARGE \frac{1}{4}]


*[tex \LARGE \ \ \ \ \ \ \ \ \ \ -6\ <\ x\ <\ -3]


Interval:  *[tex \LARGE \left(-6,\,-3\right)]


Set Builder:  *[tex \LARGE \left\{x\ \in\ \mathbb{R}\ |\ -6\ <\ x\ <\ -3\right\}]


Words:  *[tex \LARGE x] can be any real number that is between the values minus 6 and minus 3, not including minus 6 or minus 3.


Draw a number line.  Put a little circle on the -6 and another little circle on the -3.  Make a heavy line between the two little circles.


John
*[tex \LARGE e^{i\pi}\ +\ 1\ =\ 0]
<font face="Math1" size="+2">Egw to Beta kai to Sigma</font>
My calculator said it, I believe it, that settles it
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