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OpenStudy (anonymous):
Find the minimum value for the function: y = x2 + 9x + 18
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OpenStudy (anonymous):
solve for y' = 0
OpenStudy (anonymous):
i dont know how
OpenStudy (anonymous):
do you know the derivative of x^2? and 9x? and 18?
OpenStudy (anonymous):
no, i dont know anything about algebra
OpenStudy (anonymous):
oh is this not calculus? are you allowed to use calculator?
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OpenStudy (anonymous):
yes
OpenStudy (anonymous):
then you can graph this on your graphing calculator and see it visually minimum value is the lowest point on the graph
OpenStudy (anonymous):
i tried , hopefully its right, thanks.
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