Solve the problem.Write parametric equations for the tangent line to the curve of intersection of the surfaces    and   at the point  

A.     
B.     
C.     
D.     


Answer: A

Mathematics

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The number   is an element in which of the following sets?

A. ?Set of whole numbers. B. ?Set of real numbers. C. ?{x | x is a rational number} D. ?Set of numbers that are divisible by 6. E. ?Set of rational numbers. F. b, c, and e

Mathematics

Place parentheses, if needed, to turn this into a true statement.8 - 10 - 9 + 3 = 10

A. 8 - (10 - 9) + 3 = 10 B. No parentheses needed C. 8 + 10 - (9 + 3) = 10 D. (8 - 10) - 9 + 3 = 10

Mathematics

L'Hopital's rule does not help with the given limit. Find the limit some other way.

A. 25 B. ? C. 5 D. 0

Mathematics

An object attached to a coiled spring is pulled down a distance a from its rest position and then released. Assuming that the motion is simple harmonic with period T, write an equation that relates the displacement d of the object from its rest position after t seconds. Also assume that the positive direction of the motion is up.a = 19;T = 10 seconds

A. d = -10 cos 
B. d = -19 cos 
C. d = -19 cos 
D. d = -19 sin 

Mathematics