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3.2 Algebra and Functions (A-level only)

3.2 Algebra and Functions (A-level only)

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Question 30

The function f f\,f is defined by

f(x)=2x2−3xf(x) = 2x^2 - 3xf(x)=2x2−3x, x∈Rx \in \mathbb{R}x∈R, 0≤x≤40 \leq x \leq 40≤x≤4

a.

Using set notation, find the range of fff.

[3]
b.

Determine whether f f\,f has an inverse. Fully justify your answer.

[2]
Markscheme

3.2 Algebra and Functions (A-level only) Questions

  1. A Level
  2. /Maths
  3. /3.2 Algebra and Functions (A-level only)

216 exam-style questions on WJEC A Level Maths 3.2 Algebra and Functions (A-level only), covering 3.2.1 Algebra and Functions (A-level only), 3.2.2 Algebra and Functions (A-level only), 3.2.3 Algebra and Functions (A-level only), 3.2.4 Algebra and Functions (A-level only), 3.2.5 Algebra and Functions (A-level only), 3.2.6 Algebra and Functions (A-level only), and 3.2 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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