(a(i))[1]
Write down the correct mathematical name for the solid.
(a(ii))[2]
Find the volume of the solid for $x = 4$.
(a(iii))[1]
Write down an expression for the volume of the solid, in terms of $x$.
(a(iv))[2]
Find the value of $x$ when the solid has volume $360\text{ cm}^3$.
(b(i))[2]
Fill in the table of values.
(b(ii))[3]
On the grid, draw the graph of $y = 2x^2 + x$ over $0 \le x \le 5$.
(b(iii))[1]
Use your graph to solve the equation $2x^2 + x = 30$ for $0 \le x \le 5$.