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Mathematics 7 Online
OpenStudy (cenaida):

Find the range for the following quadratic function. a parabola. upward U. crossing points at 0 comma 1 and negative 6 comma 1 with vertex at negative 3 comma negative 2. A. x ≥ -3 B. y ≥ -2 C. y ≤ -2 D. y: all real numbers

OpenStudy (cenaida):

OpenStudy (cenaida):

@Lessis

OpenStudy (anonymous):

Because it's an upward opening parabola you know that the vertex is the lowest it's ever going to get. That means any y value below the vertex can't be in the range, because the function will never result in values lower than that.

OpenStudy (cenaida):

so is the answer C?

OpenStudy (anonymous):

No, it's B. |dw:1383360168453:dw|

OpenStudy (cenaida):

ooh so its B.. thanks! @SACAPUNTAS

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