Function Machines
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Here is a number machine.

Number machine diagram

The machine multiplies the input by 6 and then subtracts 3.

a.

What is the output when the input is 5?

[1]
b.

What is the input when the output is 39?

[2]

Function Machines Questions

Practise AQA GCSE Maths Function Machines with exam-style questions for Foundation and Higher tier. 39 questions, matched to the AQA GCSE Maths (8300) specification and written in Paper 1, Paper 2 and Paper 3 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.

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Function Machines Questions

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