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October 24, 2014

Homework Help: College Math

Posted by Shin on Thursday, April 28, 2011 at 2:43pm.

Hooke's Law the table shows the distance D that a spring stretches when a weight W is hung on it.
W (pounds 2 6 9 15
D (inches) 1.6 4.8 7.2 12
(a.) Do the data represent direct or inverse variation?
Explain. (b.) Find an equation that models the data.
(c.) How far will the spring stretc if an 11- pound weight is hung on it, as depicted in the figure?

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