SPS SPS FM Pure 2022 February — Question 10

Exam BoardSPS
ModuleSPS FM Pure (SPS FM Pure)
Year2022
SessionFebruary
TopicHyperbolic functions
10. You are given that \(\mathrm { f } ( x ) = 4 \sinh x + 3 \cosh x\).
  1. Show that the curve \(y = \mathrm { f } ( x )\) has no turning points.
  2. Determine the exact solution of the equation \(\mathrm { f } ( x ) = 5\).
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