ACT PREP Q/ PLEASE HELPPP: ACT PREP Q/ PLEASE HELP: The functions f(x) = –(x + 4)^2 + 2 and g(x) = (x − 2)^2 − 2 have been rewritten using the completing-the-square method. Is the vertex for each function a minimum or a maximum? Explain your reasoning for each function.

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@zepdrix

\(\large\rm y=x^2\) is a parabola opening `upward`.|dw:1443654118776:dw|

|dw:1443654152110:dw|So the vertex is a minimum.
It is lower than any other point on the curve.

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