8. What is the instantaneous velocity for f(t) = t^2+ 3t at t = 4 seconds? 5 15 21 17

1 answer
Question:

8. What is the instantaneous velocity for f(t) = t^2+ 3t at t = 4 seconds?
5
15
21
17

Answers

Answer:Velocity is the time rate of change of distance[f(t)]df(t)/dt = 2t + 3 At t= 4V = 2(4) + 3V= 11ms-¹.Now this is only correct if i'm working with the values you gave.

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