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Edexcel A-Level Maths, Statistics and Mechanics, June 2018
Question Walkthroughs

Pure Paper 2, 2018, Q1

1. g(x) = 2x+5 / x-3
a. Find gg(5)
​b. State the range of g c. Find g-1(x), stating its domain.

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  • Home
  • Algebra
    • Algebraic expressions
    • Algebraic equations
    • Expanding brackets
    • Index notation
    • Inequalities
    • Quadratic equations
    • Sequences
    • Simultaneous equations
    • Straight line graphs
    • Substitution
  • Shapes, space and measures
    • Angles
    • Circles
    • Circle theorems
    • Compound measures
    • Construction
    • Distance/speed-time graphs
    • Length, area and volume
    • Metric and Imperial conversions
    • Metric units of measurement
    • Proof
    • Pythagoras' Theorem
    • Scale factors, similarity and congruence
    • Symmetry and reflection
    • Time
    • Trigonometry
  • Number
    • Primary Addition and Subtraction
    • Addition and subtraction
    • Basic number work
    • Compound percentage change
    • Decimals
    • Fractions
    • Fractions, decimals and percentages
    • Money
    • Multiplication and division
    • Percentages
    • Ratio and Proportion
    • Rounding
    • Standard form
  • Statistics and Probability
    • Averages and the Range
    • Collecting data
    • Box plots
    • Pie charts
    • Probability
  • More
    • Starters >
      • Puzzles and riddles
      • Maths Wordsearches
      • More starter ideas
    • Internet articles
    • A-Level Maths Paper Walkthroughs >
      • A-Level Maths, June 2018, Pure Paper 1 Question Walkthroughs
      • A-Level Maths, June 2018, Pure Paper 2, Question Walkthroughs
      • A-Level Maths, June 2018, Statistics and Mechanics, Question Walkthroughs
      • A-Level Maths, June 2019, Pure Paper 1, Question Walkthroughs
    • Mathematician of the Month
    • DoingMaths video channel
    • DoingMaths Shop
    • Contact us
    • Privacy policy