**Title:** Karl's Calculus Tutor

**Description:**
Karl's Calculus Tutor is an online resource that contains a wide variety of practice problems and examples pertaining to topics in precalculus and calculus.

**Standard(s): **

[MA2013] PRE (9-12) 4: Determine numerically, algebraically, and graphically the limits of functions at specific values and at infinity. (Alabama)

[MA2013] PRE (9-12) 16: For a function that models a relationship between two quantities, interpret key features of graphs and tables in terms of the quantities, and sketch graphs showing key features given a verbal description of the relationship. (*Key features include intercepts; intervals where the function is increasing, decreasing, positive, or negative; relative maximums and minimums; symmetries; end behavior; and periodicity. Determine odd, even, neither.*)* [F-IF4] (Alabama)