Posted by Anonymous on Sunday, October 2, 2011 at 5:41pm.
the height in feet of a flare t seconds after it is shot is modeled by h(t)= 16t2+92t+3.5 find its average speed from 1 to 3 seconds

math  Steve, Monday, October 3, 2011 at 5:41am
To do that, divide the distance traveled by the time elapsed.
h(1) = 79.5
h(3) = 135.5
so, avg speed is 56ft/2s = 28ft/s