document.write( "Question 436216: lenna is a meteorologist. On December 10, she notes that the temperature is −3°F at 6:00 A.M. She predicts that the temperature will rise at a rate of 2° per hour for 3 hr, and then rise at a rate of 3° per hour for 6 hr. She also predicts that the temperature will then fall at a rate of 2° per hour for 3 hr, and then fall at a rate of 5° per hour for 2 hr. What is lenna’s temperature forecast for 8:00 P.M?
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Algebra.Com's Answer #301809 by ewatrrr(24785) $\"\"$ $\"About$

You can put this solution on YOUR website!

 
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document.write( "Hi
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document.write( "Breaking it up into time intervals
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document.write( "6AM -3°F
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document.write( "9AM -3° + 2°*3 = 3°     |will rise at a rate of 2° per hour for 3 hr
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document.write( "3PM  3° + 3°*6 = 21°    |will rise at a rate of 3° per hour for 6 hr
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document.write( "6PM 21° - 2°*3 = 15°    |will fall at a rate of 2° per hour for 3 hr
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document.write( "8PM 15° - 5°*2 = 5°F    |will fall at a rate of 5° per hour for 2 hr
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