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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 20

The curve C C\,C has equation

y=x5+3x+sin⁡xy=x^5+3x+\sin xy=x5+3x+sinx,

where x x\,x is measured in radians.

Use proof by contradiction to prove that C C\,C has no stationary points.

[5]
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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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