Find the mean of the data set: 2, 2, 7, 8, 9, 12, 13, 16
?
A. ?69
B. 8.625
C. ?9.571 (rounded to 1/1000ths)
D. ?1.70 (rounded to 1/100ths)
E. ?6.9
Answer: B
Mathematics
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Find the gradient field F of the function f.f(x, y, z) = ln (x6 + y3 + z4)
A. F = 
i + 
j + 
k
B. F = 
i + 
j + 
k
C. F = 
i + 
j + 
k
D. F = 
ln ( y3 + z4)i + 
ln (x6 + z4)j + 
ln ( x6 + y3)k
Mathematics
Determine if the vertex of the graph is a maximum point or a minimum point.y = -(x + 1)2
A. Maximum B. Minimum
Mathematics
Solve.Find the surface area of the cone frustum generated by revolving the line segment 
, 
, about the y-axis.
A. 130?
B. 128?
C. 132?
D. 136?
Mathematics
?
Maximize
subject to
A. 
, 
, 
, 
, 
, 
B. 
, 
, 
, 
, 
, 
C. 
, 
, 
, 
, 
, 
D. 
, 
, 
, 
, 
, 
E. 
, 
, 
, 
, 
, 
Mathematics