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korosh23

  • one year ago

PRE_CALCULUS 12 QUESTION! If I have y=-3f(x) a= 3 and reflection in the x-axis I know that a=3 , but can we say a=-3 because of the reflection?

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  1. IrishBoy123
    • one year ago
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    what is a ?? it's 3 but what actually is it doing?

  2. korosh23
    • one year ago
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    a represents the vertical stretch which in this case is by the factor of 3

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