• #### Graphing a Rational Expression - Problem 5

##### Math›Algebra 2›Rational Expressions and Functions
Finding the discontinuities or domain restrictions of rational functions, including vertical asymptotes and holes.
• #### Domain and Range - Problem 6

##### Math›Algebra›Graphs and Functions
Identifying the domain and range from graphs, including those with discontinuities and endpoints
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• #### Domain and Range - Problem 5

##### Math›Algebra 2›Functions
Finding domain and range from graphs, including graphs with discontinuities like holes.
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• #### Continuity - Problem 2

##### Math›Calculus›Limits and Continuity
How to show that a function is discontinuous at a point x=a because the limit as x approaches a does not exist.
• #### Continuity - Problem 1

##### Math›Calculus›Limits and Continuity
How to show that a function is discontinuous at a point x=a because it is not defined at a. Explanation of continuity.
• #### Graphing a Rational Expression - Problem 10

##### Math›Algebra 2›Rational Expressions and Functions
Finding discontinuities (holes and vertical asymptotes) of rational functions
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• #### Continuity - Problem 3

##### Math›Calculus›Limits and Continuity
How to show that a function is discontinuous at a point x=a because its limit and its value at x=a are different. Explanation of continuity.
• #### Evaluating Limits Algebraically, Part 2 - Problem 1

##### Math›Calculus›Limits and Continuity
How to evaluate the limit of a function at points where it is not continuous. Finding points of discontinuity of rational functions and canceling factors so that the function becomes continuous.