Many calculators have viewing screens that are wider than
Chapter 6, Problem 6.6.91(choose chapter or problem)
Many calculators have viewing screens that are wider than they are high. The approximate ratio of the height to the width is often . Let the actual height of the calculator screen along the y-axis be 2 units, the actual width of the calculator screen along the x-axis be 3 units, and Xscl Yscl 1. Since the line y x must pass through the point (1, 1), the actual slope of this line on the calculator screen is given byUsing this information, graph y x in the given viewing rectangle and predict the actual angle that the graph makes with the x-axis on the viewing screen.
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