The functions f f\,f and g g\,g are defined by
f:x→2x−5,x∈R f: x \rightarrow 2x - 5, \quad x \in \mathbb{R} f:x→2x−5,x∈R g:x→4x−2,x∈R,x≠2 g: x \rightarrow \frac{4}{x-2}, \quad x \in \mathbb{R}, x \neq 2 g:x→x−24,x∈R,x=2Evaluate fg(4)fg(4)fg(4)
Solve the equation gf(x)=1gf(x) = 1gf(x)=1