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precal
Updated: 4/27/2020
precal
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Storyboard Description

homework

Storyboard Text

  • ok class today we are learning about radical functions
  • ooohhhhh whats that
  • We are going to start off learning how to solve for the domain algebraically
  • F(x)=x+3
  • x -9
  • 2
  • great gob
  • don't forget to square root 9
  • x -9=0
  • x=+3x=-3
  • x =9
  • 2
  • 2
  • the teacher introduces a new concept to the students about radical functions
  • in this case the x-values are both positive and negative 3
  • The teacher gives the students a problem on the board and gives them advise that the domain of a rational function includes all real numbers except that equal 0
  • The the teacher shows that the first step is to set the denominator to 0
  • see you learn something new everyday
  • thank you teacher
  • the second step is to find the x values that cause the denominator to equal zero
  • The domain of the function is all real numbers except x=+3, x=-3
  • now the kids know how to find the domain of radical functions
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