Solve the problem.Suppose that a radio signal transmission pattern can be modeled by 
for 
where the units are miles. Assume that the positive x-axis points east, and determine the distances of transmission in the east, north, west, and south directions.
A. E: 38 miles, N: 76 miles, W: 38 miles, S: 0 miles
B. E: 38 miles, N: 0 miles, W: 38 miles, S: 76 miles
C. E: 76 miles, N: 38 miles, W: 0 miles, S: 38 miles
D. E: 38 miles, N: 38 miles, W: 38 miles, S: 0 miles
Answer: A
Mathematics
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A. 1280 B. -12 C. -36 D. -21
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A. 
B. 
C. 
D. 
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