I've been grading calculus exams this week, and even though my students did quite well overall there were a couple of errors that I see every semester. Errors that make mathematicians' heads explode.

Learn how to compose two linear functions. To compose two functions means to express one of the functions as a function of the other function. This is done by replacing the input variable of one of ...

Sure, here is the new description with all the links removed: Learn how to divide two functions. We will explore the division of linear, quadratic, rational, and radical functions. To divide two ...