Other
Interactive Real Analysis: Sequence of Numbers
This is a short lesson from the Seton Hall University explaining increasing and decreasing sequences.
ClassFlow
Class Flow: Pre Calculus Problem of the Day
[Free Registration/Login Required] This lesson provides pre-calculus problems and help for students.
Other
University of Northern Iowa: Summation Notation
This site from the University of Northern Iowa explains the sigma notation and gives an example.
Other
Math Pages: Bernoulli Numbers and Harmonic Series
This site from Math Pages contains information explaining harmonic series. The information is very in-depth and mathematic, but good factual information is provided. A good overall site.
Other
Area Between Curves
Site explains using an example how to find the area between curves using a calculator.
Rice University
Rice University: Cynthia Lanius: Visualizing an Infinite Series
This site explains the infinite series through visualization.
William Mueller
William Mueller: Families of Functions
Meet the Function Family! Each member of the family has examples of their graphs and descriptions of the types of real-world situation that produce those graphs.
Khan Academy
Khan Academy: Verifying Inverse Functions by Composition
Learn how to verify whether two functions are inverses by their composition. Students are given examples and practice problems.
Cool Math
Coolmath: Rational Functions the Whole Thing
Explanation and examples of rational functions.
Cool Math
Coolmath: Rational Functions Increasing and Decreasing Revisited
Explanation, examples, and independent practice of rational functions that increase and decrease.
Cool Math
Coolmath: Rational Functions More on Limits
Explanation, examples, and independent practice of limits.
Cool Math
Coolmath: The Pythagorean Identities
One page reference sheet of a quick recall of the Pythagorean Identities.
Cool Math
Coolmath: Pre Calculus Other Identities to Know
One page reference sheet of a quick recall of the Trig Identities.
Cool Math
Coolmath: The Difference Quotient Review
Steps and examples for using the difference quotient with a function.
Cool Math
Coolmath: Pre Calculus Graphs to Know and Love
A list and visuals of standard graphs from y = x to an absolute value.
Cool Math
Coolmath: Pre Calculus Shifting, Reflecting, Etc.
Description and examples of shifting and reflecting various graphs.
Cool Math
Coolmath: Polynomials
Description and examples to build an understanding of the shapes of polynomials.
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