Solve the problem. See Example 10.Temperature  The graph shows temperatures on a given day...

Solve the problem. See Example 10.

Temperature  The graph shows temperatures on a given day in Bratenahl, Ohio.

(a) At what times during the day was the temperature over 55°?

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(b) When was the temperature below 40°?

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(c) Greenville, South Carolina, is 500 mi south of Bratenahl, Ohio, and its temperature is 7° higher all day long. At what time was the temperature in Greenville the same as the temperature at noon in Bratenahl?

Temperature in Bratenahl, Ohio

EXAMPLE 10

INTERPRETING A GRAPH