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Mathematics 8 Online
OpenStudy (fanduekisses):

Inverse function help?

OpenStudy (fanduekisses):

When calibrating a spring scale, you need to know how far the spring stretches for various weights. Hooke's law states that the length a spring stretches is proportional to the weigh attached to it. A model for one scale is l = 0.5w + 3 where l is the total length (in inches) of the stretched spring and w is thew weight (in pounds) of the object. a. Find the inverse of the given model.

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