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a) Find both the x - and y -values of the vertex of the parabola whose equation is y = 2 x 2 12 x

a) Find both thex- andy-values of the vertex of the parabola whose equation isy= 2x212x+1.

(x,y) =

(b) What value ofxmakes3x218x+4

a minimum?

x=

What is this minimum value?

y=

(c) What value ofxmakes9+ 8xx2

a maximum?

x=

What is this maximum value?

y=

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