Given that[math]f\left(x\right)=x^2[/math] , write down the expression for the following composite functions.
(a) [math]f\left(-x+1\right)[/math]
[math]\left(-x+1\right)^2[/math] or [math]\left(1-x\right)^2[/math]
(b)[math]f\left(-\left(x+1\right)\right)[/math]
[math]\left(-x-1\right)^2[/math] or [math]\left(x+1\right)^2[/math]
Given that [math]f\left(x\right)=\frac{1}{x}[/math] , which of the following composite functions gives the expression [math]\frac{2}{3\left(x-2\right)}-2[/math]?