## anonymous 4 years ago can any one help me in this Exercise Find the average rate of change for each function over the given interval y= x^2+2x between x= 1 and x= 3

1. anonymous

$1/(3-1) \int\limits_{1}^{3} (x^2+2x) dx$

2. anonymous

that is a (1/(3-2))( the integral)