Find numbers a and b, or k, so that f is continuous at every point.
A. k = 13
B. k = 5
C. k = - 5
D. k = 7
Answer: D
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Find the angle between u and v in radians.u = 3i + 10j + 3k, v = 9i + 2j + 5k
A. 0.58 B. 1.00 C. 1.30 D. 1.50
Solve the problem.Find any local extrema (maxima, minima, or saddle points) of 
given that 
and 
A. Local maximum at 
saddle point at 
B. Local maximum at 
saddle point at 
C. Local minimum at 
saddle point at 
D. Local minimum at 
saddle point at 
Solve.The pitch of a screw is the distance between threads. With each complete rotation of the screw, it goes in or out a distance equal to its pitch. How far will a screw with a pitch of 
in. go into a piece of wood when it is turned 10 complete rotations clockwise?
A. 
in.
B. 
in.
C. 
in.
D. 
in.
Solve the problem.The high temperature on December 12 in Hilton Head, SC ranges from 33°F to 89°F. Using F as the variable, write an absolute value inequality that corresponds to this range.
A. |F - 56| ? 33 B. |F - 61| ? 28 C. |F - 28| ? 61 D. |F - 33| ? 56