Find the inverse of the matrix (if it exists).A = 
A. A-1 does not exist.
B. A-1 = 
C. A-1 =
D. A-1 = 
Answer: A
Mathematics
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Find the length of the curve.The spiral r = 2?2, 0 ? ? ? 2
A. 
?5
B. 
((?2 + 1)3/2 - 1)
C. 
D. 
Mathematics
Use l'Hopital's Rule to evaluate the limit.
A. 1
B. 8
C. 
D. ?
Mathematics
Find the limit, if it exists.
A. 4
B. 4
C. 0
D. Does not exist
Mathematics
Provide an appropriate response.An employee is paid based on a sliding scale. As the number of items produced increases so does the rate per item. This is called a:
A. piecework rate B. special overtime rate C. differential piece rate D. production rate
Mathematics