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Find all values of z such that {3-z}/{z+1} ≥ 1. Answer in interval notation.

 Oct 14, 2019
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\(\frac{3-z}{z+1} \geq 1, 3-z \geq z+1\)

Now we can add z and subtract 1 to both sides, then solve and get the interval notation. Can you solve that?

 

You are very welcome!

:P

 Oct 14, 2019

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