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The output is one less than twice the size the imput

2 Answers

3 votes
If the output equals o, and the input equals i, the equation would be o = 2i - 1, because twice the size of the input is 2i, one less than is -1, and o is the output.
User Renato Heeb
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4 votes
o = 2i - 1
o = output
2 i = twice the input
then -1 = one less

User Jacko
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