a. Use a graphing utility to graph in a standard viewing
Chapter 2, Problem 2.2.171(choose chapter or problem)
a. Use a graphing utility to graph in a standard viewing rectangle. What do you observe? b. Find the coordinates of the vertex for the given quadratic function. c. The answer to part (b) is Because the leading coefficient, 2, of the given function is positive, the vertex is a minimum point on the graph. Use this fact to help find a viewing rectangle that will give a relatively complete picture of the parabola. With an axis of symmetry at the setting for should extend past this, so try and The setting for should include (and probably go below) the of the graph s minimum so try Experiment with Ymax until your utility shows the parabola s major features.
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