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Q3. [5 marks] A potato at room temperature (20°) is put into an oven maintained at 100°. After 20 minutes it is removed from the oven and put into a refrig- erator maintained at 5°. After another 20 minutes it is back at room temperature. What was its temperature when it was re- moved from the oven? Hot Environment E = 100 Time t Temperature T D= E-T 0 20 80 20 T 100-T Cold Environment E = 5 Time t Temperature T D=T-E 20 T T-5 40 20 15

Q3. [5 marks] A potato at room temperature (20°) is put into an oven maintained at 100°. After 20 minutes it is removed from the oven and put into a refrig- erator maintained at 5°. After another 20 minutes it is back at room temperature. What was its temperature when it was re- moved from the oven? Hot Environment E = 100 Time t Temperature T D= E-T 0 20 80 20 T 100-T Cold Environment E = 5 Time t Temperature T D=T-E 20 T T-5 40 20 15

College Algebra
College Algebra
1st Edition
ISBN:9781938168383
Author:Jay Abramson
Publisher:Jay Abramson
Chapter3: Functions
Section3.3: Rates Of Change And Behavior Of Graphs
Problem 45SE: A driver of a car stopped at a gas station to fill up his gas tank. He looked at his watch, and the...
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Q3. [5 marks] A potato at room temperature (20°) is put into an oven maintained at 100°. After 20 minutes it is removed from the oven and put into a refrig- erator maintained at 5°. After another 20 minutes it is back at room temperature. What was its temperature when it was re- moved from the oven? Hot Environment E = 100 Time t Temperature T D= E-T 0 20 80 20 T 100-T Cold Environment E = 5 Time t Temperature T D=T-E 20 T T-5 40 20 15
Transcribed Image Text:Q3. [5 marks] A potato at room temperature (20°) is put into an oven maintained at 100°. After 20 minutes it is removed from the oven and put into a refrig- erator maintained at 5°. After another 20 minutes it is back at room temperature. What was its temperature when it was re- moved from the oven? Hot Environment E = 100 Time t Temperature T D= E-T 0 20 80 20 T 100-T Cold Environment E = 5 Time t Temperature T D=T-E 20 T T-5 40 20 15
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