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Further Modelling with Functions (Edexcel A Level Maths): Revision Note

Exam code: 9MA0

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Paul

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Edexcel Maths: PureOCR Maths A: PureAQA Maths: Pure

Further modelling with functions

Making assumptions, criticisms and refinements of a model

  • Assumptions, criticisms and refinements to models often need to be considered

  • Real-life general knowledge and common sense can really help in mathematical modelling

 

Notes ass_crit_ref, A Level & AS Level Pure Maths Revision Notes

How do I use algebra to explore mathematical models?

  • There will be no one-size-fits-all step-by-step guide to solving modelling questions

  • A combination of skills and problem-solving skills will be needed

 

Notes model_recip_qu, A Level & AS Level Pure Maths Revision Notes
Notes model_recip_soltn, A Level & AS Level Pure Maths Revision Notes

Examiner Tips and Tricks

  • Reciprocal graphs generally have two parts/curves

    • Only one – usually the positive – may be relevant to the model

    • Think about why x/t/θ can only take positive values?

Worked Example

Example soltn, A Level & AS Level Pure Maths Revision Notes
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Paul

Author: Paul

Expertise: Maths Content Creator

Paul has taught mathematics for 20 years and has been an examiner for Edexcel for over a decade. GCSE, A level, pure, mechanics, statistics, discrete – if it’s in a Maths exam, Paul will know about it. Paul is a passionate fan of clear and colourful notes with fascinating diagrams.