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kenneyfamily

state the amplitude and period and phase shift of the function y=-3cos(3x+3pi/2)

  • one year ago
  • one year ago

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  1. etemplin
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    http://www.wmueller.com/precalculus/families/1_71.html this will show you how to find all 3 very simple process

    • one year ago
  2. kenneyfamily
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    hmm ok

    • one year ago
  3. kenneyfamily
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    still confused though :(

    • one year ago
  4. etemplin
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    the amplitude of this function is the number in front of cos its always positive its 3 the period is 2pi/(the number with x) 2pi/3 the phase shift is the number after x the function was moved left 3pi/2

    • one year ago
  5. kenneyfamily
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    amp=3 period 2pi/3 phase shift= 3pi/2 that right? @etemplin

    • one year ago
  6. etemplin
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    yes, except phase shift should be either negative or specified "to the left"

    • one year ago
  7. kenneyfamily
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    THANKS!

    • one year ago
  8. kenneyfamily
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    @etemplin so for the function y=3sin(3x/2-pi/4)...the amp is 3, period is 3pi/2 and phase shift pi/4?

    • one year ago
  9. kenneyfamily
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    @etemplin

    • one year ago
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