**find the average velocity over the time interval [0,3] if the displacement is given by s(t)=t^3-2.3t^2+1.7t+5. round your answer to two decimal places**

**Answer:**

average velocity is the change in displacement over the change in time. s(3) = 16.4, s(0) = 5, so the average velocity = (16.4 - 5)/(3 - 0) = 3.8