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1. A can of soda at 78º F. It is placed in a refrigerator that maintains a constant temperature of 38ºF

/in /by

1. A can of soda at 78º F. It is placed in a refrigerator that maintains a constant temperature of 38ºF. The temperature T of the soda t minutes after it is placed in the refrigerator is given by

Screen Shot 2018-10-12 at 10.50.58 AM.png

Find the temperature of the soda 10 minutes after it is placed in the refrigerator. (round to the nearest tenth of degree)

2.An ellipse has the equation Screen Shot 2018-10-12 at 10.28.17 AM.png

(a) Is the major axis horizontal or vertical?

(b) Find the exact values of the foci of the ellipse.

3.Let Screen Shot 2018-10-12 at 10.24.49 AM.png

(a) Calculate the dot product

 
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