For each equation below, give a description of what we are changing (e.g. “adding 10 to the outputs”).
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adding 4 to the input
adding 4 to the output
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subtracting 2 from the input
subtracting 2 from the output
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multiplying the input by 5
multiplying the output by 5
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multiplying the input by 9
multiplying the output by 9