JoannaBlackwelder one year ago Word problem on velocity and displacement. See attached.

1. JoannaBlackwelder

2. JoannaBlackwelder

For part a, I got that we are looking for where t=3

3. JoannaBlackwelder

And I got that the displacement function is $s=9t-\frac{ t ^{3} }{ 3 }+C$

4. JoannaBlackwelder