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Mathematics 15 Online
OpenStudy (anonymous):

find the maximum y-value on the graph of y=f(x) f(x)=-x^2+4x+3

OpenStudy (tkhunny):

You're going to have to tell us how to proceed. What class are you in? Calculus? Analytic Geometry? Algebra?

OpenStudy (tkhunny):

Have you met "Complete the Square"?

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