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Other parts of this question

  1. 4(a)(ii)a)Calculate the value of x for which f(x) = 9.[2 marks]
  2. 4(a)(ii)b)Hence or otherwise, determine the value of f^-1(9).[1 mark]
  3. 4(b)(i)Determine the equation of the line L1.[3 marks]
  4. 4(b)(ii)What is the gradient of the line L2, given that L1 and L2 are perpendicular?[1 mark]

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