Mathematics 9709 · AS & A Level · Integration

Integration — practice question

The diagram depicts the curve $y = 4\mathrm{e}^{\frac{1}{2}x} - 6x + 3$ together with its minimum point $M$.
(i)[5]

Show that the $x$-coordinate of $M$ can be expressed in the form $\ln a$, and state the value of $a$.

(ii)[4]

Find the exact value of the area of the region bounded by the curve and the lines $x = 0$, $x = 2$ and $y = 0$.

Worked solution & mark scheme

This 9-mark question has a full step-by-step worked solution and mark scheme. One marking point: Differentiate so that the result is an expression of the form $k e^{\frac{1}{2}x} + m$

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