Provide an appropriate response.State the domain of the inverse cotangent function.
A. (-?, ?)
B. [-1, 1]
C. (-?, -1] ? [1, ?)
D. 
? 
Answer: A
Mathematics
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Find the potential function f for the field F.F = 
A. f(x, y, z) = 
B. f(x, y, z) = - 
C. f(x, y, z) = 
D. f(x, y, z) = 
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The displacement (in feet) of a certain particle moving in a straight line is given by 
where t is measured in seconds. Find the average velocity over the interval [1, 1.19]. Round your answer to three decimal places.
a. 0.251 b. 0.390 c. 0.351 d. 0.241 e. 0.551 f. 0.451
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Use the table to find the monthly checking-account service charge for the account. 
Grand Optical, 67 checks, average balance $2977
A. $18.40 B. $11.70 C. $20.90 D. $5.00
Mathematics