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April 20, 2014

Homework Help: Math

Posted by Marie on Wednesday, January 5, 2011 at 12:02pm.

Out of a group of (50,000) births, the number of people, f(x), surviving to age (x) is modeled by the function f(x)=5000 square root 100-x. To what age will (20,000) people in the group survive?

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