Find the domain and range of the function.
?
 
?

A. Domain: all point  such that 

Range: 


B. Domain: all point  such that 

Range: 


C. Domain: all point  such that 

Range: 


D. Domain: all point  such that 

Range: 


E. Domain: all point  such that 

Range: 



Answer: B

Mathematics

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Find the extreme values of the function subject to the given constraint.  

A. Maximum: 3 at    minimum: -3 at  
B. Maximum: 3 at    and    minimum: -3 at    and  
C. Maximum: 3 at    minimum: -3 at  
D. Maximum: 3 at    minimum: -3 at  

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Solve the problem.A truck burns fuel at the rate (gallons per hr) of  while traveling at x mph. If fuel costs  per gallon, find the speed that minimizes total cost for a  trip. Round to the nearest tenth.

A. 37.0 mph B. 35.0 mph C. 42.0 mph D. 31.5 mph

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Differentiate.

What will be an ideal response?

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Multiply. Simplify if possible. ? 

A.
B.
C.
D.

Mathematics