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Mathematics 14 Online
OpenStudy (thefluffmuncher):

Find r(7) for the function r(n) = 0.009n. A. 0.0063 B. 0.0097 C. 0.063 D. 7.009

OpenStudy (anonymous):

All you have to do in these situations is plug the amount in the () in for the variable given. So here it's telling you that n=7. Plug it in and solve.

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