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Functions and Graphs

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Question 34

A coordinate graph with axes and a smooth falling-rising-falling curve, with points A and B marked.

The points A (4,−5)(4, -5)(4,−5) and B (8,6)(8, 6)(8,6) are the turning points of the graph. On separate diagrams sketch the graphs of

a.

y=2f(x)−1y = 2f(x) - 1y=2f(x)−1

[3]
b.

y=∣f(x)∣y = |f(x)|y=∣f(x)∣

[3]
Markscheme

Functions and Graphs Questions

  1. A Level
  2. /Maths
  3. /Functions and Graphs

471 exam-style questions on Edexcel A Level Maths Functions and Graphs, covering 2.1 The Modulus Function, 2.2 Functions and Mappings, 2.3 Composite Functions, 2.4 Inverse Functions, 2.5 y=|f(x)| and y=f(|x|), 2.6 Combining Transformations, and 2.7 Solving Modulus Problems. Each one has a worked solution and a mark scheme showing where the marks go.

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