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Mathematics 8 Online
OpenStudy (anonymous):

For what values of x does the graph of f(x) have a horizontal tangent? (Enter your answers as a comma-separated list.) f(x) = x3 + 9x2 + x + 3

OpenStudy (kropot72):

Is this a calculus question in your course?

OpenStudy (anonymous):

Yes, sorry i meant to say that.

OpenStudy (jhannybean):

so you're looking for like... |dw:1442087496186:dw| something like that I assume..

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