CPM Homework Banner

Home > CALC > Chapter 11 > Lesson 11.4.1 > Problem 11-129

11-129.
  1. 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 ✎

    1. 4

    2. 5

    3. 4.593

    4. 6.296

    5. 6.593

Take the derivative and use it to determine when the point changes directions.

The point changes direction when t = 1/3 and t = 1.