Posted by **Michael** on Monday, April 9, 2012 at 3:35pm.

If m ≤ f(x) ≤ M for a ≤ x ≤ b, where m is the absolute minimum and M is the absolute maximum of f on the interval [a, b], then m(b − a) ≤ b f(x) dx a≤ M(b − a).

Use this property to estimate the value of the integral.

The integral from 0 to 2 of 5xe^−x .