A cake is placed in a 350-degree oven to bake.  The difference between the temperature of the oven and the temperature T of the cake is an exponential function of time. All temperatures are measured in degrees.
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A:  The cake is initially at room temperature of 75 degrees.  What is the initial value of D?
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B:  The temperature difference decreases by 4% each minute.  Find a formula for D after t minutes.  
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C: Find a formula for the temperature T of the cake after t minutes..
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What will be an ideal response?


A:  275

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B:

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C:

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Mathematics

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