A quadratic function is given.
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(a) The quadratic function is expressed in standard form as
f(x) = x2 – 4x
– 4x + 4) – 4
= (x – 2)2
(b) Vertex: (x, y) = (2, -4)
x-intercepts: (x,y) = (0 , 0) (smaller x-value)
(x,y) = (4, 0) (larger x-value)
y-intercept: (x,y) = (0,0)
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