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$\"\"$ The equation is $\"\"$ .

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$\"\"$

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Quadratic function represents a parabola.

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Comparethe quadratic function with standard form $\"\"$ .

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$\"\"$

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since $\"\"$ , 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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$\"\"$

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Vertex is $\"\"$ $\"\"$ .

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

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$\"\"$

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$\"\"$ and $\"\"$

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Therefore the $\"\"$ - intercepts are

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$\"\"$ and $\"\"$ .

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For finding $\"\"$ -intercepts substituting $\"\"$ in $\"\"$ .

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$\"\"$

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The $\"\"$ -intercept is $\"\"$ .

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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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$\"\"$

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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 in interval notation $\"\"$ .

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

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$\"\"$

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$\"\"$

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

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