Infinite Musings

Students get confused about infinity, , because they think of it as a number, because used like a number. Even though they know there is no largest number, they think of infinity as the largest number. In studying limits, the starting point of calculus, infinite limits come up early on. We tell them . But…

Finding Limits

Ways to find limits (summary): If the function is continuous at the value x approaches, then substitute that value and the number you get will be the limit. If the function is not continuous at the value x approaches, then If you get something that is not zero divided by zero, the limit does not exist (DNE) or…