Mathematics 0580 · IGCSE · Functions

Functions — practice question

Using $f(x)=2x+5$, the expression $f(x)f(x)-f(f(x))=ax^2+bx+c$ is obtained.
(main)[4]

Find the values of $a$, $b$ and $c$.

Worked solution & mark scheme

This 4-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Hence, \(a=4\).” …

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