Question

Inverse function of f(x) =0.2x+1

Answer 1

`y=0.2x+1 \\ \\ \hbox{solve for x:} \\ y=0.2x+1 \ \ \ |-1 \\ y-1=0.2x \ \ \ |* 5 \\ 5y-5=x \\ x=5y-5 \\ \\ \hbox{switch x and y:} \\ y=5x-5 \\ \\ \boxed{f^(-1)(x)=5x-5}`