(a)[3]
Find the $x$-coordinate of $A$ and the $x$-coordinate of $B$, and give each answer as an exact value.
(b(i))[2]
Differentiate the expression $3x - x^3$.
(b(ii))[4]
Find the coordinates of $P$ and $Q$ from the graph.
Mathematics 0580 · IGCSE · Differentiation
Differentiation — practice question
The diagram displays the graph of $y = 3x - x^3$. It meets the $x$-axis at $A$, $O$ and $B$, and its turning points are $P$ and $Q$.