Bell Ringer Check your vocabulary….

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Bell Ringer 10-26-16 Check your vocabulary…. What is a “hole” in a graph? What is an asymptote? What does the graph of the parent rational function look like? (sketch it)

Graphing Rational Functions Wednesday, October 26, 2016

Quick Vocabulary Review Hole(s) – point(s) of discontinuity in a function Asymptote – a line that a function approaches (usually does not cross) Domain – x-values Range – y-values Zeros – x-intercepts

Rational Function Cards: Investigation 1 Use your graphing calculator to complete a sketch of each graph. Show each in FACTORED form. Based on what you have done, What causes a vertical asymptote? What causes a hole in the graph?

Rational Function Cards: Investigation 2 Use your graphing calculator to graph each rational function. Categorize based on if there is a horizontal asymptote or slant asymptote. What causes a horizontal asymptote? What causes a slant asymptote?

Assignments Classwork: Investigating Rational Functions Homework: Graphing Rational Functions Worksheet 2

Exit Ticket 1. How do you determine if and where there are holes in a rational function? 2. How do you determine the asymptotes of a rational function?