Find the limit.
A. 
B. 0
C. -
D. Does not exist
Answer: A
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Find the equation for the level surface of the function through the given point.f(x, y, z) = e(x2 + y2 - z), (4, 3, 2)
A. ln(x2 + y2 - z) = 23 B. x2 + y2 - z = e23 C. x2 + y2 - z = ln(23) D. e(x2 + y2 - z) = ln(23)
Solve.One end guy wire is attached to the top of a 16-foot pole and the other end is anchored into the ground 9 feet from the base of the pole. Find the length of the guy wire. Round to the nearest tenth foot.
9 feet
A. 25 feet B. 18 feet C. 25.4 feet D. 18.4 feet
Write the fraction that is represented by the given shading.
A. 
B. 
C. 
D. 
Find the direction angles of the vector. Round to the nearest degree, if necessary.v = -2i - 3j + 6k
A. ? = 108°, ? = 118°, ? = 38° B. ? = 104°, ? = 112°, ? = 41° C. ? = 92°, ? = 94°, ? = 83° D. ? = 107°, ? = 115°, ? = 31°