Question

define integral v(x)*dx, x from 0 to 5 using values in the picture.

answer is -1.5. i get -1.25. what's missing?

Answer 1

attached image

Answer 2

\[\int\limits_{0}^{5}v(\frac{ (2*(-4))/2 }{ 2 }+\frac{ (3.5*3.5)/2 }{ 3.5 })dx\]
\[\int\limits_{0}^{5}v(-2 + 1.75)dx = -1.25\]

Answer 3

to me, I will break it into 2 parts, from 0 to 2 , and from 2 to 5

Answer 4

oh, my pic has a typo. last position should be at (5.5, 1.5).