## anonymous 3 years ago If a ball is thrown into the air with a velocity of 40 ft/s, it's height in feet t seconds later is given by y=40t - 16t^2. Find the average velocity for the time period beginning when t = 2 and lasting .5 seconds

1. anonymous

find $$\frac{f(2.5)-f(2)}{.5}$$

2. anonymous

i would use a calculator

3. anonymous

is 2.5 and 2 inside of the parenthesis

4. anonymous
5. anonymous

alright thanks! i could read what was inside of them