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Key Features of Graphs

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This video is for the redesigned SAT which is for you if you are taking the SAT in March 2016 and beyond.

Key Features of Graphs
Ruby puts a dish of macaroni and cheese into the refrigerator. The dish was 80 degrees Fahrenheit (°F) when she put it in, and the inside of the refrigerator was 40°F. The dish cooled quickly at first, then slowed as it approached the temperature inside the refrigerator. Which of the following graphs in the mT-plane could best represent the temperature, T, in degrees Fahrenheit, m minutes after Ruby put the dish in the refrigerator?
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Rotate to landscape screen format on a mobile phone or small tablet to use the Mathway widget, a free math problem solver that answers your questions with step-by-step explanations.

You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.

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