f(x)=k-mx,find
a)f-1(x)in terms of k and m
b)the values of m and k if f-1(14)=-4 and f(5)=-13
\(f(x) = k -mx\\ y = k - mx\\ x' = k - my'\\ my'=k-x'\\ y'=\dfrac{k-x'}{m}\\ f^{-1}(x) = \dfrac{k-x}{m}\)
Is this correct? Someone please check it for me?
