When the temperature of a pot in a kiln is 1,526° F an artist turns off the heat and leaves the pot to cool at a controlled rate of 72° F per hour. Express the temperature T of the pot in degrees Celsius as a function of the time t (in hours) since the kiln was turned off.
?
A. 
B. 
C. 
D. 
E. 
Answer: B
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Find the length of the unknown side in the right triangle. Round to two decimal places, if necessary.
A. b = 105.91 B. b = 138.34 C. b = 91.94 D. b = 104.34
Solve the problem.A square piece of cardboard is to be formed into an open-topped box by cutting 
squares from the corners and folding up the sides. The volume of the resulting box is given by the formula V = 3(x - 6)2, where x is the original length of each side of the piece of cardboard. What is the volume of the box if the original length of each side of the piece of cardboard is 20 inches?
A. 588 cubic inches B. 1200 cubic inches C. 196 cubic inches D. 42 cubic inches
Given f (x, y) = cos (e2x+ y ), find ?f / x?
What will be an ideal response?
Find the zero of f.f(x) = 5x + 10
A. 2 B. -10 C. 10 D. -2