Evaluate the line integral over the given curve C.
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Solve the problem. Assume all numbers are approximate unless otherwise stated or the number has been determined by a definition or counting process.The capacitance of a certain element in an electric circuit (in ?F) was determined by calculating the value of 
Calculate this capacitance.
A. 8.0 ?F B. 7.3 ?F C. 7.7 ?F D. 7.5 ?F
Solve the problem.Suppose that the sales of a particular brand of appliance satisfy the relationship 
where S(x) represents the number of sales in year x, with x = 0 corresponding to 1990. For what years will sales be between 2940 and 3700?
A. Between 1995 and 1999 B. Between 1996 and 1999 C. Between 1996 and 2000 D. Between 7 and 11
Provide an appropriate response.Find the area of the shaded segment of the given circle. 
A. 8.95 in2 B. 39.27 in2 C. 24.53 in2 D. 14.74 in2
Evaluate.Let a = 3i, b = i + j. Find 6a - b.
A. 17i - j B. i - 17j C. 11i + j D. 17i - 6j