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OpenStudy (anonymous):
find values for a and b so that ax^2 +bx has a minimum of (2,4)
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OpenStudy (dan815):
i think it should say a minimum at 2,4
OpenStudy (anonymous):
yes at i'm sorry
OpenStudy (dan815):
did you learn about derivative?
OpenStudy (anonymous):
yes
OpenStudy (dan815):
ok so you can write 2 equations
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OpenStudy (dan815):
one straight from the point sin 2,4 is a point in the parabola
OpenStudy (dan815):
and you know that when you take derivative at x=2, the slope = 0
OpenStudy (dan815):
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