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Mathematics 14 Online
OpenStudy (anonymous):

Find the minimum value for the function: y = x2 + 9x + 18

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?

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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