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Inverse and Composite Functions

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Practice questions

Question 1

2 marks

Given that f(x)=x−4f(x) = x - 4f(x)=x−4 find:

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A function is a rule that takes an input and gives exactly [     ] output.

Inverse and Composite Functions Revision Guide

  1. GCSE
  2. /Maths
  3. /Inverse and Composite Functions

Revision notes for AQA GCSE Maths Inverse and Composite Functions. Open the guide for explanations and worked examples. Written against the AQA GCSE Maths (8300) specification, so the content matches what's examinable rather than general Maths background.

Revision guides

SurdsBoundsDirect and Inverse ProportionQuadratic FormulaFactorising Harder QuadraticsAlgebraic FractionsRearranging Harder FormulaeTrigonometric and Exponential GraphsInverse and Composite FunctionsIterationFinding the Area of Any TriangleThe Sine RuleThe Cosine RuleCongruent Triangles3d Pythagoras and TrigonometryHistogramsConditional Probability

Practise questions

1 of 5

Let h(x)=3x2−5h(x)=3x^2-5h(x)=3x2−5. What is h(−2)h(-2)h(−2)?