Find the derivative.r = 
- 
A. 
- 
B. - 
+ 
C. 
- 
D. - 
+ 
Answer: B
Mathematics
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Write sigma notation.3 + 4 + 5 + 6 + 7
A. 
B. 
C. 
D. 
Mathematics
Use the graph of f to draw the graph of its inverse function.
A. 
B. 
Mathematics
Use logarithmic differentiation to find the derivative of y with respect to the independent variable.y = xln x
A. 
2
B. 2xln x - 1ln x
C. 
D. xln x - 1ln x
Mathematics
Find the flux 
of through S, 
, where 
is the upward unit normal vector to S.
?
, 
, 
A. 
B. ?
C. ?
D. ?
E. ?
Mathematics