Use the properties of real numbers to simplify the expression.-  +  +  + 

A. 0
B. 4
C. 8
D. 2


Answer: D

Mathematics

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A discrete probability distribution for a random variable X is given. Use the given distribution to find the requested information.Find E(X).

A. 2.00 B. 0.80 C. 0.70 D. 1.21

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For the pair of functions, find the indicated domain.f(x) = x2 - 36, g(x) = 2x + 3Find the domain of g/f.

A. (-?, -6) ? (-6, 6) ? (6, ?)
B. (-?, ?)
C.  ? 
D.

Mathematics

Solve the problem.Find the equation for the tangent plane to the surface   at the point  

A. x + y + z = 4 B. -6x - 6y + 8z = 1 C. x + y + z = 1 D. -6x - 6y + 8z = 4

Mathematics

Write the following as an algebraic expression in u, u > 0.sin 

A.
B. u
C.
D.

Mathematics