Problem:
Tess runs counterclockwise around rectangular block . She lives at corner . Which graph could represent her straight-line distance from home?
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Answer Choices:
A.
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B.
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C.
D.
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E.
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Solution:
The distance increases as Tess moves from to , and continues at perhaps a different rate as she moves from to . The greatest distance from home will occur at . The distance decreases as she runs from to and continues at perhaps a different rate as she moves from to . Graph shows these changes.
Answer: .
The problems on this page are the property of the MAA's American Mathematics Competitions