Answers edited by Dernbu
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How do you solve #\frac { x } { x - 1} + \frac { 4} { x + 1} = \frac { 4x - 2} { x ^ { 2} - 1}#?
A little bit of help, please? Thanks!
How do you find the domain and range of #f(x)=10-x^2#?