Deceptive Graphs. In Exercises 21–24, identify the characteristic that causes the graph to be deceptive.
Subway Fare In 1986, the New York City subway fare cost $1, and as of this writing, it now costs $2, so the price doubled. In the accompanying graph, the $2 bill is twice as long and twice as tall as the $1 bill.
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Given Subway Fare In 1986, the New York City subway fare cost.
The fare doubled from $1 to $2, but when the $2 bill is shown with twice the width and twice the height of the $1 bill, the $2 bill has an area that is four times that of the $1 bill, so the illustration greatly exaggerates the increase in fare.