Use the graph to solve the problem.Find the rate of change of the temperature of the water being heated.
A. 2 degrees per minute
B. 2.5 degrees per minute
C. 5 degrees per minute
D. 1 degree per minute
Answer: B
Mathematics
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Solve the problem.Going toward San Francisco a building with a vertical height of 175 feet is seen from a small boat. At a distance x feet from the building, the angle of elevation ? of the top of the building can be found from the equation x = 175 cot ?. Sketch x as a function of ?.
A. 
B. 
C. 
D. 
Mathematics
Match the surface show below to the graph of its level curves.
A. 
B. 
C. 
D. 
Mathematics
Multiply and simplify.
? 
A. 5m
B. 
C. 
D. 10
Mathematics
The observed level of significance if a value of 2 is observed.
The probability density function of X is f (x) = 3/ x4 over [1, ?) . Compute the following quantity.
Mathematics