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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