A function machine is shown below.
Input→[+12]→[÷3]→Output \text{Input} \rightarrow [+ 12] \rightarrow [\div 3] \rightarrow \text{Output} Input→[+12]→[÷3]→OutputFind the output when the input is 18.
Find the input when the output is 6.
Practise OCR GCSE Maths Function Machines with exam-style questions for Foundation and Higher tier. 39 questions, matched to the OCR GCSE Maths (J560) specification and written in the written papers 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.