(a)[1]
State the range for $f$.
(b)[4]
Obtain an expression for $f^{-1}(x)$; state the domain of $f^{-1}$.
(c)[2]
The function $g$ is defined by $g(x)=2x-2$ for $x>0$. Determine a simplified expression for $gf(x)$.
Mathematics 9709 · AS & A Level · Functions
State the range for $f$.
Obtain an expression for $f^{-1}(x)$; state the domain of $f^{-1}$.
The function $g$ is defined by $g(x)=2x-2$ for $x>0$. Determine a simplified expression for $gf(x)$.