What is the range of f(x)=(x-2)^2=9

[From: ] [author: ] [Date: 12-11-12] [Hit: ]

Please and thanks.

y+9 = (x-2)²
is a Parabola aligned parallel to the y axis with apex at (2, -9).
x can be any number,
-9 < y < ∞

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