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OpenStudy (anonymous):
Plz check my answer Determine whether the graph of y = −7x2 + 9x − 13 opens up or down and whether it has a maximum or minimum point. Up; Minimum Up; Maximum Down; Minimum==this is what i got Down; Maximum
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OpenStudy (ribhu):
|dw:1425807774478:dw|
OpenStudy (ribhu):
some kindaa this, down maximum
OpenStudy (anonymous):
thanks
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