(a)[1]
Evaluate the value of $f\left(\frac{1}{2}\right)$.
(b)[2]
Find the inverse function, $f^{-1}(x)$.
Mathematics 4024 · O Level · Functions
Functions — practice question
The function is defined by $f(x) = \dfrac{5 - x}{x}$.
Mathematics 4024 · O Level · Functions
Evaluate the value of $f\left(\frac{1}{2}\right)$.
Find the inverse function, $f^{-1}(x)$.