CAIE FP1 2016 November — Question 7

Exam BoardCAIE
ModuleFP1 (Further Pure Mathematics 1)
Year2016
SessionNovember
PaperDownload PDF ↗
Mark schemeDownload PDF ↗
TopicArea Under & Between Curves

7 The curve \(C\) has equation \(y = \mathrm { e } ^ { - 2 x }\). Find, giving your answers correct to 3 significant figures,
  1. the mean value of \(\frac { \mathrm { d } y } { \mathrm {~d} x }\) over the interval \(0 \leqslant x \leqslant 2\),
  2. the coordinates of the centroid of the region bounded by \(C\), \(x = 0\), \(x = 2\) and \(y = 0\).

7 The curve $C$ has equation $y = \mathrm { e } ^ { - 2 x }$. Find, giving your answers correct to 3 significant figures,\\
(i) the mean value of $\frac { \mathrm { d } y } { \mathrm {~d} x }$ over the interval $0 \leqslant x \leqslant 2$,\\
(ii) the coordinates of the centroid of the region bounded by $C$, $x = 0$, $x = 2$ and $y = 0$.

\hfill \mbox{\textit{CAIE FP1 2016 Q7}}