# Graphing Rational Functions App

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#### Storyboard Description

Storyboard for an app to guide students in graphing rational functions.

#### Storyboard Text

• Graphing Rational Functions
• Welcome. I will help you go through the steps to graph rational functions. Press the start graphing button to get started!
• START GRAPHING
• Try this one.
• f(x) = (x + 2)/(x - 1)
• Graph
• Check
• Roots and y-int
• Asymptotes
• Set the numerator equal to zero for the roots and plug 0 in for x to find the y intercept. Enter your answers below.
• Roots and y-intercept
• (0, _____)
• (____, 0)
• Set the denominator equal to zero for the vertical asymptote and compare degrees for the horizontal asymptote. Enter your answers below.
• x = _____
• y = _____
• Asymptotes
• Draw your graph on the coordinate grid below.
• Coordinate grid would go here.
• Graph
• Great Job! (or Incorrect Try Again)
• Correct Answer here. (or new grid)
• Check
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