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Car A is traveling west at 40 mph and car B is traveling north at 55 mph. Both are departing from the intersection of two roads at the same time. Write a function representing the distance between the two cars in terms of the time , in hours, that has elapsed since the cars left the intersection.

User Nilson
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1 Answer

16 votes
16 votes

Answer:


5√(185)t

Explanation:

after time t (hr), the distance between A and starting point is 40t

the distance between B and starting point is 55t

These two distances are perpendicular to each other, so

the distance between A and B is


√((40t)^2+(55t)^2)=√(4625t^2)=5√(185)t

User Vigilancer
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