Question

Which expression represents (fog) (x)

Answer 1

Explanation:

`f( (x)/(x - 1) ) = log( {( (x)/(x - 1) )}^(2) - 2( (x)/(x - 1)) ) \\ = log(\frac{ {x}^(2) }{ {(x - 1)}^(2) } -2(x)/((x - 1)) ) \\ = log( \frac{ {x}^(2) - 2x(x - 1) }{ {(x - 1)}^(2) } )`