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Quadratics

Review question

Into how many regions do these parabolas divide the plane?
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Ref: R8781

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Question

Into how many regions is the plane divided when the following three parabolas are drawn?

\[y = x^2\] \[y = x^2 - 2x\] \[y = x^2 + 2x +2.\]

\(4\),
\(5\),
\(6\),
\(7\).