Lesson 8-3: Graphing Rational Functions

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Presentation transcript:

Lesson 8-3: Graphing Rational Functions

Definitions Continuity: graph may not be able to be traced without picking up pencil Asymptote: a line that the graph of the function approaches, but never touches (this line is graphed as a dotted line) Point discontinuity: a hole in the graph

Vertical Asymptote How to find a Vertical Asymptote: x = the value that makes the rational expression undefined *Set the denominator of the rational expression equal to zero and solve.

Point Discontinuity How to find point discontinuity: * Factor completely * Set any factor that cancels equal to zero and solve. Those are the x values that are points of discontinuity

Graphing Rational Functions f(x) =

Graphing Rational Functions f(x) =

Graphing Rational Functions f(x) =

Graphing Rational Functions f(x)=

Graphing Rational Functions f(x) =

Graphing Rational Functions f(x) =