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OpenStudy (cenaida):
Find the range for the following quadratic function. a parabola. upward U. crossing x axis at negative 2 and 2 with vertex at 0 comma negative 2. A. x ≥ -2 B. y ≥ -2 C. y ≤ -2 D. y: all real numbers
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OpenStudy (cenaida):
OpenStudy (anonymous):
Lol.
OpenStudy (anonymous):
|dw:1383362701192:dw|
OpenStudy (cenaida):
D?
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OpenStudy (anonymous):
"All real numbers" means at some point it could be -999. Can it ever be -999?
OpenStudy (cenaida):
oh so B?
OpenStudy (anonymous):
Right! It's like the last one. It can only ever go up from the vertex.
OpenStudy (cenaida):
ok! :D thnx
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