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Mathematics 11 Online
OpenStudy (anonymous):

Some one help me !!!

OpenStudy (anonymous):

is the parabola opens up or down to q(x)=(4-x)(2+7x) and whether the y coordinate of the vertex is the minimum value or the maximum value of…

OpenStudy (anonymous):

downward and max

OpenStudy (anonymous):

can yu show me how you got this? i dont get it when it comes to (4-x)(2+7x)

OpenStudy (anonymous):

|dw:1342662858310:dw|

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