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1.1.5 Algebra and functions

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123
Question 1

Prove that x2+4x+12>x+3x^2+4x+12>x+3x2+4x+12>x+3 for all real xxx.

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Markscheme

1.1.5 Algebra and functions Questions

  1. A Level
  2. /Maths
  3. /1.1.5 Algebra and functions

8 exam-style questions on CCEA A Level Maths 1.1.5 Algebra and functions. Each one has a worked solution and a mark scheme showing where the marks go.

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