11th grade

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A monitor displays the graph y = 3 sin 5x. What will be the amplitude after a dilation of 2?

I am so confused.....can somebody please help me.... please??? I know the graoh of sin x but what is dilation? can somebody please explain????

  • 11th grade Math -

    Your School Subject is Math, not 11th grade.

  • 11th grade math!!! -

    i am sorry....can you please help me????

  • 11th grade -

    my question is how do i get this in simplest form -15 - 23 and 4/9 * 3/2

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