Solve the problem.Car A (travelling north at 70 mph) and car B (traveling west at 40 mph) are heading toward the same intersection. Car A is 5 miles from the intersection when car B is 6 miles from the intersection. . Find a formula for the distance between the cars as a function of time, using the parametric equations that describe the motion of cars A and B. Using a graphing utility, find the minimum distance between the cars. When are the cars closest? 
A. d = ; 2.73 mi; 5.45 min
B. d = ; 431.77 mi; 5.45 min
C. d = ; 2.73 mi; 0.09 min
D. d = ; 2.73 mi; 5.45 h
Answer: A
Mathematics
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A. -1 - i
, -1 + i
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