(a) Estimate the average velocity wave of the car during the first 6 seconds. Use the Midpoint Rule with n = 3. (Round your answer to the nearest whole number.)

http://www.webassign.net/waplots/8/5/53838c901ddb9ae7f0223e1677f448.gif

Question

(a) Estimate the average velocity wave of the car during the first 6 seconds. Use the Midpoint Rule with n = 3. (Round your answer to the nearest whole number.)

http://www.webassign.net/waplots/8/5/53838c901ddb9ae7f0223e1677f448.gif

anonymous · Answer

so confused as to how you would estimate those values! PLEASE HELP on my last attempt! and im pretty sure im making horrible estimations

anonymous · Answer

I'm thinking it maybe 2(15+22.5+25)

have already tried (2(15+23+25) which was wrong 
and 2(15+22+25)