The area under a graph of vx vs t from t = ti to t = tf represents
1) xi.
2) xf.
3) xf - xi.
4) (xi + xf).
5) xi + xf.
Answer: 3
The area under a graph of vx vs t from t = ti to t = tf represents
1) xi.
2) xf.
3) xf - xi.
4) (xi + xf).
5) xi + xf.