Evaluate -
given x.47
A. -20
B. -47
C. 20
D. 47
Answer: B
Mathematics
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Solve the problem.Evaluate 
at t = 3 for the function w = exyz2; x = t, y = t, z = 
.
A. 
e
B. 0
C. - 
e
D. 
Mathematics
Perform the indicated division and find a simplified expression.The average velocity of a certain particle in feet per second is given by 
A. 2t2 + 3t - 4
B. 2t2 + 3t - 5 + 
C. 2t2 - 4t + 3 + 
D. 2t2 - 3t - 4
Mathematics
Solve the problem.Let B = [-1 6 6 -3]. Find -3B.
A. 
B. 
C. 
D. 
Mathematics
Find the function value.Find cos 
, given that cos ? = - 
and 90° < ? < 180°.
A. 
B. - 
C. 
D. - 
Mathematics