melaniewelliver melaniewelliver

28-11-2019
Mathematics

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Find the minimum or maximum of the function y=−4x2+12x−5.

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salatulmaghrib salatulmaghrib

28-11-2019

-12/(2*-4)=1.5
The minimum or maximum is in x=1.5.
Is it minimum or maximum?
At x=1.5, y=-415.25
Try anything else
x=1, y=3
So there is a minimum at x=1.5

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