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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 16

The function f f\,f is defined by f(x)=∣x∣+5f(x) = |x| + 5f(x)=∣x∣+5 for x∈Rx \in \mathbb{R}x∈R.

Using set notation, state the range of fff.

Circle your answer.

A

{f(x):f(x)≥0}\{f(x) : f(x) \geq 0\}{f(x):f(x)≥0}

B

{f(x):f(x)≥5}\{f(x) : f(x) \geq 5\}{f(x):f(x)≥5}

C

{f(x):f(x)>5}\{f(x) : f(x) > 5\}{f(x):f(x)>5}

D

{f(x):f(x)≤5}\{f(x) : f(x) \leq 5\}{f(x):f(x)≤5}

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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