Use implicit differentiation to find the specified derivative at the given point.Find 
at the point (5, 1, -1) for ln 
- exy+z2 = 0.
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Use implicit differentiation to find the specified derivative at the given point.Find 
at the point (1, 3, 3) for 
+ 
+ 
= 0.
A. 
B. - 
C. 
D. - 
Mathematics
Find the limit of the sequence if it converges; otherwise indicate divergence.an = 
5/n
A. ln 5 B. 1 C. 0 D. Diverges
Mathematics
Find the length of an arc intercepted by a central angle ? in a circle of radius r. Round your answer to 1 decimal place.r = 16.12 ft; ? = 
radians
A. 9.2 ft B. 13.8 ft C. 4.6 ft D. 2.3 ft
Mathematics
Determine where the function is concave upward.
?
?
A. 
B. 
C. 
D. 
Mathematics