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1.3 Functions

1.3 Functions

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Question 41
a.

Sketch the graph with equation

y=∣2x−5∣ y = |2x - 5| y=∣2x−5∣

stating the coordinates where the graph meets the coordinate axis.

[2]
b.

Find the values of x x\,x which satisfy ∣2x−5∣<9|2x - 5| < 9∣2x−5∣<9

[2]
c.

Find the values of x x\,x which satisfy ∣2x−5∣<x+1|2x - 5| < x + 1∣2x−5∣<x+1

[2]
Markscheme

1.3 Functions Questions

  1. A Level
  2. /Maths
  3. /1.3 Functions

181 exam-style questions on OCR (MEI) A Level Maths 1.3 Functions, covering 1.3.1 Operations on polynomials, 1.3.2 Factor theorem, 1.3.3 Definition of a function (A-level only), 1.3.4 Composite functions (A-level only), 1.3.5 Inverse functions and their graphs (A-level only), 1.3.6 The modulus function (A-level only), 1.3.7 Inequalities with a modulus sign (A-level only), and 1.3.8 Functions in modelling (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.

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