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Which is the graph of the function f(x) = x2 + 2x + 3?
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Which is the graph of the function f(x) = x2 + 2x + 3?

User Sepehr Samini
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1 Answer

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x²+2x+3=(x²+2x+1)+2=(x+1)²+2
the graph of x²+2x+3 has a vertex at (-1,2), a symmetry line x=-1, go through the y axis at (0, 3), opening upward above y=2
User Bperson
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