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Function Machines

Function Machines

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Question 32

Consider the following number machine.

Number machine diagram

It performs the operations: multiply by 5, then subtract 12.

a.

Work out the output when the input is 8.

[1]
b.

Work out the input when the output is 18.

[2]
Markscheme

Function Machines Questions

  1. GCSE
  2. /Maths
  3. /Function Machines

84 exam-style questions on AQA GCSE Maths Function Machines. Each one has a worked solution and a mark scheme showing where the marks go.

Question bank