Question 940628
f(x)=x^2+2x-3
 Vertex:
x = -b/(2a) = -2/(2) = -1
f(-1) = (-1)^2 -2 - 3 = -4
Vertex:: (-1,-4)
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 Axis of Sym:
x = -1
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 Y-int:
f(0) = -3
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 Domain::: All Real Numbers.

 Range::: y >=  -4
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Cheers,
Stan H.
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