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\"\" The equation is  \"\".

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\"\"

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Quadratic function represents a parabola in the graph.

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Compared to the quadratic function \"\".

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\"\".

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since \"\" then the parabola open upward.

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Vertex is \"\".

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Axis of symmetry \"\".

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\"\"

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\"\"

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Axis of symmetry is \"\".

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\"\"

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\"\".

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Vertex is \"\".

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Find the \"\"- intercepts by substituting \"\" in \"\".

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\"\"

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\"\"

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\"\" and \"\".

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Find the \"\"- intercept by substituting \"\" in \"\".

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\"\"

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\"\".

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Graph:

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Draw the coordinate plane.

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Plot the axis of symmetry, vertex and intercepts.

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Connect the plotted points with a smooth curve.

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\"\" Domain of the quadratic function is all real numbers.

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Domain set of \"\" is \"\".

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Domain  in interval notation \"\".

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Range set of \"\" is \"\".

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Range in interval notation \"\".

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\"\" Observe the graph, \"\" is increasing on \"\" and decreasing on \"\".

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Resultants of  \"\" are shown in the figure below.

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\"\" Domain in interval notation \"\" and range in interval notation \"\".

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\"\" \"\" is increasing on \"\" and decreasing on \"\".