Mathematics 4024 · O Level · Functions

Functions — practice question

The function is $f(x) = \dfrac{6}{2 - x}$.

(a)[1]

Find the value of $f(-1)$.

(b)[3]

Find the inverse function, $f^{-1}(x)$.

(c)[3]

Find the value of $t$ if $f(t)=f(5t + 2)$.

Worked solution & mark scheme

This 7-mark question has a full step-by-step worked solution and mark scheme. One marking point: “The value is $2$.” …