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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 17
45%

The function f f\,f is defined by

f(x)=x2−10x+30,x∈R f(x) = x^2 - 10x + 30, \quad x \in \mathbb{R} f(x)=x2−10x+30,x∈R
a.

Find the range of f(x)f(x)f(x)

[3]
b.

Explain why the function f(x)f(x)f(x) does not have an inverse

[1]
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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