9231 P13 - Jun 2022 - Q01
4239
(a) Sketch the curve with equation \(y = \frac{x+1}{x-1}\).
(b) Sketch the curve with equation \(y = \frac{|x|+1}{|x|-1}\) and find the set of values of \(x\) for which \(\frac{|x|+1}{|x|-1} < -2\).
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