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sara1234 Group Title

explain how to Find the amplitude of y = 3 sin x.

  • one year ago
  • one year ago

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  1. surdawi Group Title
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    y = A * sin(bx) A = amplitude what is it?

    • one year ago
  2. sara1234 Group Title
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    3

    • one year ago
  3. surdawi Group Title
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    you got it see how easy it was

    • one year ago
  4. sara1234 Group Title
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    Describe the transformations required to obtain the graph of the function f(x) from the graph of the function g(x). f(x) = 9 cos x; g(x) = cos x

    • one year ago
  5. surdawi Group Title
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    what do you multiply g(x) to get f(x)?

    • one year ago
  6. sara1234 Group Title
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    9

    • one year ago
  7. sara1234 Group Title
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    A.Horizontal stretch by a factor of 9 B.Vertical stretch by a factor of 9 C.Horizontal shrink by a factor of 1over9 D.Vertical shrink by a factor of 1over9

    • one year ago
  8. surdawi Group Title
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    B.Vertical stretch by a factor of 9

    • one year ago
  9. surdawi Group Title
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    you can graph them and see the change

    • one year ago
  10. sara1234 Group Title
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    how do you graph y=2/3sin1/2x

    • one year ago
  11. surdawi Group Title
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    2/3 is the amplitude correct? plug in values for x y=2/3sin1/2x x=0; y = 0 can you try it then i will go over it with you

    • one year ago
  12. sara1234 Group Title
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    this is a differnt question it says find thet graph that goes with y= 2 --- sin 1 3 ---- 2 x

    • one year ago
  13. surdawi Group Title
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    is that the question?\[\frac{ 2 }{ 3 }*\sin(\frac{ 1 }{ 2x })\]

    • one year ago
  14. surdawi Group Title
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    sara you there?

    • one year ago
  15. sara1234 Group Title
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    its not 2x its 1/2 x

    • one year ago
  16. sara1234 Group Title
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    1 --- x 2

    • one year ago
  17. surdawi Group Title
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    ok amplitude is 2/3 period is \[0 \le x \le \frac{ 2*\Pi }{ 1/2 }\]

    • one year ago
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  18. sara1234 Group Title
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    • one year ago
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    • one year ago
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  20. surdawi Group Title
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    plug in 0 what do you get \[\frac{ 2 }{ 3 }*\sin{\frac{ 1 }{ 2 }*0}\]

    • one year ago
  21. surdawi Group Title
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    + you have the amplitude; which graph shows the right amp?

    • one year ago
  22. sara1234 Group Title
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    how do i know which graph shows 2/3

    • one year ago
  23. surdawi Group Title
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    all graphs has marked where 1 is

    • one year ago
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