Multiple Choice: A point traveling along the x-axis has position
s(t) = 2t3 − 4t2 + 2t + 1.
The total distance traveled by the point from t = 0 to t = 2 is: Homework Help ✎
Take the derivative and use it to determine when the point changes directions.
The point changes direction when t = 1/3 and t = 1.