Purple F.

asked • 03/08/21

An object moving in a straight line travels s(t) kilometers in t​ hours, where s(t) = 7t^2 + t.

​(a) What is the​ object's velocity when t = 6​? _______ (Answer).


​(b) How far has the object traveled in 6 hours? _______ (Answer).


​(c) When is the object traveling at a rate of 6 km/h? _______ (Answer).


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