# nonpositive

1. ### Integrals of Nonpositive functions

show that if "f" is integrable then f(x) is less then or equal to 0 on [a,b] is equal to the integral from a to b of f(x) dx is greater then or equal to 0
2. ### integrals of nonpositive functions

show that if "f" is integrable then f(x) < or equal to 0 on [a,b] is greater than or = to zero
3. ### nonpositive matrix

What is a nonpositive matrix?