Find the limit of the sequence if it converges; otherwise indicate divergence.an = (-1)n 
A. 7
B. ±7
C. 0
D. Diverges
Answer: C
Mathematics
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Calculate the area of the surface S. S is the portion of the cone 
+ 
= 
that lies between z = 2 and z = 6
A. 
?
B. 
?
C. 
D. 
?
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Use the quadratic formula to solve the quadratic equation.m2 = 5m - 3
A. 
B. 
C. 
D. 
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Find the area of the polygon.
A. 8
m2
B. 3
m2
C. 7
m2
D. 17 m2
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?
Find the approximate change in z when the point 
changes from 
to 
.
; from 
to 
A. 
B. ?
C. ?
D. ?
E. ?
Mathematics