The displacement (in meters) of a particle moving in a straight line is given by
s = t^2 - 5 t + 16,
where t is measured in seconds.

(A)

(i) Find the average velocity over the time interval [3,4].

Average Velocity =

(ii) Find the average velocity over the time interval [3.5,4].

Average Velocity =

(iii) Find the average velocity over the time interval [4,5].

Average Velocity =

(iv) Find the average velocity over the time interval [4,4.5].

Average Velocity =

(B) Find the instantaneous velocity when

Instantaneous velocity =

You can earn partial credit on this problem.