Find the gradient ?f.f(x, y) = yexy
A. exy(xy + 1)i + y2exyj
B. y2exyi + exy(xy + 1)j
C. y2exyi + yexy(xy + 1)j
D. xy2exyi + exy(xy + 1)j
Answer: B
Mathematics
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Find the volume of the solid generated by revolving the region about the given axis. Use the shell or washer method.The region bounded by y = 7x - x2 and y = x about the line x = 6
A. 324? B. 162? C. 108? D. 216?
Mathematics
Use cubic regression to model the following data. Round your answers to two decimal places, if necessary. x 1 3 4 6 7 9 10 11 y 7 4 1 2 6 9 5 2?
A. 
B. 
C. ?
D. ?
Mathematics
Change the percent to a decimal.
%
A. 0.009 B. 0.9 C. 0.0009 D. 0.19
Mathematics
The function f is one-to-one. Find its inverse.f(x) = 6x2 - 8, x ? 0
A. f-1(x) = 
B. f-1(x) = 
C. f-1(x) = - 
D. f-1(x) = 
Mathematics