1.Find zeros of the polynomial.

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Real zeros are x intercepts of the graph.

2. Test points.

Choose values for x and find the corresponding values for y.

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3. End behavior.

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Degree of polynomial is 3 and leading coefficient 1.

The graph of a polynomial function is always a smooth curve, that means, it has no breaks or corners.

4. Graph:

1.Draw a coordinate plane.

2.Plot the intercepts and coordinate points found in the table.

3.Then sketch the graph, connecting the points with a smooth curve.

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The real zeros of the function are the x - intercepts of the graph of the function.