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3.1 Algebra and functions (A-level only)

3.1 Algebra and functions (A-level only)

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Question 82

The function f f\,f is defined by

f(x)=5+ln⁡(x−3),x∈R,x>3 f(x) = 5 + \ln(x - 3), \quad x \in \mathbb{R}, x > 3 f(x)=5+ln(x−3),x∈R,x>3
a.

Find the exact value of ff(4)ff(4)ff(4)

[2]
b.

Find an expression for f−1(x)f^{-1}(x)f−1(x)

[3]
Markscheme

3.1 Algebra and functions (A-level only) Questions

  1. A Level
  2. /Maths
  3. /3.1 Algebra and functions (A-level only)

281 exam-style questions on CCEA A Level Maths 3.1 Algebra and functions (A-level only), covering 3.1.1 Algebra and functions (A-level only), 3.1.2 Algebra and functions (A-level only), 3.1.3 Algebra and functions (A-level only), 3.1.4 Algebra and functions (A-level only), 3.1.5 Algebra and functions (A-level only), 3.1.6 Algebra and functions (A-level only), 3.1.7 Algebra and functions (A-level only), 3.1.8 Algebra and functions (A-level only), 3.1.9 Algebra and functions (A-level only), and 3.1 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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