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September 21, 2014

September 21, 2014

Posted by **jen** on Tuesday, April 6, 2010 at 2:01am.

- math -
**Reiny**, Tuesday, April 6, 2010 at 9:38amN(x) = -.6[ x^2 - 20x + ....... ] + 10

= -.6[x^2 - 20x + 100 - 100 ] + 10

= -.6[(x-10)^2 - 100 ] + 10

= -.6(x-10)^2 + 60 + 10

= -.6(x-10)^2 + 70

carry on with the answer ....

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