Question

The position of an object moving along a line is given by the function
s(t)=−8t²+24t.
Find the average velocity of the object over the following intervals.
​(a)​ [1, 4]
(b) ​[1,3​]
​(c)​ [1,2​]
(d) ​[1,1+​h] where h>0 is any real number.