Anne has a broken ruler. It starts at the 3-inch mark and ends at the 12-inch mark. Explain how Anne could use the ruler to measure the length of a line segment in inches.

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2015-11-04 20:24:56

The perceived length subtracted by three would give the measure of the length of a line segment. x = perceived length f(x) = actual length Using this "broken ruler" you would need to use this simple function to get that actual length: f(x)= x-3

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