Solve the problem.A reflecting telescope has a mirror shaped like a paraboloid of revolution. If the distance of the vertex to the focus is 31 feet and the distance across the top of the mirror is 66 inches, how deep is the mirror in the center?

A.  in.
B.  in.
C.  in.
D.  in.


Answer: C

Mathematics

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Solve the equation for the indicated variable. =  +  +   for C2   (equivalent capacitance)

A. C2 = 
B. C2 = 
C. C2 = Ceq - C1 - C3
D. C2 = 

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Find the derivative of y with respect to the independent variable.y = 8

A.
B. 8
C. 8
D. 8 ln 8

Mathematics

Multiply. Express the product in lowest terms. ? 

A.  
B.  
C.
D.  

Mathematics

Perform the requested operation or operations.f(x) = ; g(x) = 8x - 10Find f(g(x)).

A. f(g(x)) = 2
B. f(g(x)) = 2
C. f(g(x)) = 8
D. f(g(x)) = 8 - 10

Mathematics