Use the rules for exponents to rewrite the expression and then evaluate the new expression. 
A. -14
B. -5
C. 0
D. 1
Answer: D
Mathematics
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Find the limit.
(e7/x + 7x)x/2
A. 3.5 B. 0 C. 1 D. ? E. e3.5
Mathematics
Set up an integral for the area of the surface generated by revolving the given curve about the indicated axis.y = sinx, 0 ? x ? ?/4; x-axis
A. 
dx
B. 2?
dx
C. 
dx
D. 2?
dx
Mathematics
Find y '.y = 
A. - 
- 2x
B. - 
+ 2x
C. - 
- 2x
D. 
+ 2x
Mathematics
Provide an appropriate answer.Find 
when u = 0 and v = 
if z(x, y) = sin x + cos y, x = u?v, and y = u + v.
A. 
= 2
B. 
= -1
C. 
= 0
D. 
= 1
Mathematics