# Math Help - Quick terminology question

1. ## Quick terminology question

If a function is increasing over R+, or R superscript +, what does that mean? Thanks!

2. ## Re: Quick terminology question

Originally Posted by KevinShaughnessy
If a function is increasing over R+, or R superscript +, what does that mean? Thanks!
$\mathbb{R}^+$ is used for the set of positive real numbers.