#### Calculus Cheat Sheet - Lamar University

Increasing/Decreasing – Concave Up/Concave Down Critical Points x c is a critical point of fx provided either 1. fc 0 or 2. fc doesn't exist. Increasing/Decreasing 1. If fx 0 for all x in an interval I then fx is increasing on the interval I. 2. If fx 0 for all x in an interval I then