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OpenStudy (anonymous):
Using the completing-the-square method, find the vertex of the function f(x) = –2x2 + 12x + 5 and indicate whether it is a minimum or a maximum and at what point.
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OpenStudy (anonymous):
it is a maximum because the leading coefficient|dw:1434844163162:dw| is negative so the parabola opens down
OpenStudy (campbell_st):
|dw:1434843957618:dw|
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