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3.2.3 Algebra and Functions (A-level only)

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Question 9

The function ddd is defined by d(v)=2−13e4v+1d(v) = 2 - \frac{1}{3}e^{4v+1}d(v)=2−31​e4v+1 for v∈Rv \in \mathbb{R}v∈R, where ddd is the displacement of a mechanical actuator and vvv is the input voltage.

Find d−1(x)d^{-1}(x)d−1(x) and state its domain.

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3.2.3 Algebra and Functions (A-level only) Questions

  1. A Level
  2. /Maths
  3. /3.2.3 Algebra and Functions (A-level only)

57 exam-style questions on WJEC A Level Maths 3.2.3 Algebra and Functions (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.

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