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Mathematics 20 Online
OpenStudy (anonymous):

My problem is P(O.4) if P(x)=O.2xcube+1.6xsquare-2.3 and my answer is 2.0312 could you show me if I am right?

OpenStudy (anonymous):

(answered below)

OpenStudy (anonymous):

Wait -- this is a different problem. You have a "cube" now. But no -- I still get a negative answer.

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