CAIE P1 2021 June — Question 11

Exam BoardCAIE
ModuleP1 (Pure Mathematics 1)
Year2021
SessionJune
TopicChain Rule

11 The equation of a curve is \(y = 2 \sqrt { 3 x + 4 } - x\).
  1. Find the equation of the normal to the curve at the point (4,4), giving your answer in the form \(y = m x + c\).
  2. Find the coordinates of the stationary point.
  3. Determine the nature of the stationary point.
  4. Find the exact area of the region bounded by the curve, the \(x\)-axis and the lines \(x = 0\) and \(x = 4\).
    If you use the following lined page to complete the answer(s) to any question(s), the question number(s) must be clearly shown.