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OpenStudy (anonymous):
I need help with parabolas, vertexes, and finding the domain/range of such functions. Current question working on is: f(x)=5x^2-4x+1. I don't really understand this section though!
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OpenStudy (anonymous):
u want to complete the square or use the quadratic?
OpenStudy (anonymous):
lets just use the vertex formula \[-\frac{ b }{ 2a }\]
OpenStudy (anonymous):
\[5x ^{2}-4x+1\] A= 5 B = -4 right?
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