Solve the problem.Find the derivative of the function 
at the point 
in the direction in which the function increases most rapidly.
A. 
B. 
C. 
D. 3
Answer: C
Mathematics
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Solve the problem.Find the center of mass of the region of constant density bounded by the paraboloid 
and the xy-plane.
A. 
= 0, 
= 0, 
= 4
B. 
= 0, 
= 0, 
= 
C. 
= 0, 
= 0, 
= 32
D. 
= 0, 
= 0, 
= 
Mathematics
Add or subtract.0.46 - 0.31
A. 0.1426 B. -0.77 C. 0.15 D. -0.67
Mathematics
Solve the problem.Your daily routine consists of driving 39 minutes to college in the morning, then driving 
to your job, and finally 
driving home. You do this every day, Monday through Friday. How many minutes do you spend in your car Monday through Friday on these routine trips? Express your answer in minutes.
A. 455 minutes B. 91 minutes C. 465 minutes D. 364 minutes
Mathematics
Verify the identity.sin(? + ?) - sin(? - ?) = 2 cos ? sin ?
What will be an ideal response?
Mathematics