A car is driven on a straight track such that its displacement from the starting point is given as x = t + 2t^2. What is the average velocity (average rate of change of displacement) of the car between t = 2s and t = 4s?Select one of the options below as your answer: A. 13 m/s B. 12 m/s C. 10 m/s D. 8 m/s

Question

amistre64 · Answer

solve for t=2,  and solve for t=4

amistre64 · Answer

then divide by the difference between them by the difference between 2 and 4

cggurumanjunath · Answer

on differentiation we get 1+4t

cggurumanjunath · Answer

|dw:1375720496984:dw|