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Function Machines

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Question 5
77%

Here is a number machine.

Input→[×4]→[+7]→Output \text{Input} \rightarrow [\times 4] \rightarrow [+ 7] \rightarrow \text{Output} Input→[×4]→[+7]→Output
a.

Find the output when the input is 6.

[1]
b.

Find the input when the output is 15.

[2]

Function Machines Questions

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