# Is #f(x)=xe^x-3x # increasing or decreasing at #x=-3 #?

##### 1 Answer

Jan 4, 2016

The derivative at

#### Explanation:

At

Since

The function is decreasing. You can also see this in the graph.

graph{x*e^x-3x [-4.576, -0.732, 7.793, 9.715]}