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Math Help - Families of Functions

  1. #1
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    Post Families of Functions

    I missed an entire lesson on a new lesson and my teacher refuses to explain it to me properly. So I need help on the following:

    Describe the transformation that changes the parent function f(x)=4x to g(x).

    11) g(x)=0.15(4x)
    12) g(x)=-4x
    13) g(x)=g(4x)
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  2. #2
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    Re: Families of Functions

    Quote Originally Posted by dramallama95 View Post
    I missed an entire lesson on a new lesson and my teacher refuses to explain it to me properly. So I need help on the following:

    Describe the transformation that changes the parent function f(x)=4x to g(x).

    11) g(x)=0.15(4x)
    12) g(x)=-4x
    13) g(x)=g(4x)
    Depending upon what topic you're covering, there can be a variety of answers.

    How does the trans. change the appearance graph? (This could be described in many ways.)

    What is being changed? input, output, either, or neither

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  3. #3
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    Re: Families of Functions

    Quote Originally Posted by dramallama95 View Post
    I missed an entire lesson on a new lesson and my teacher refuses to explain it to me properly. So I need help on the following:

    Describe the transformation that changes the parent function f(x)=4x to g(x).

    11) g(x)=0.15(4x)
    4x is multiplied by 0.15 isn't it?

    12) g(x)=-4x
    4x is multiplied by -1. What "explaining properly" do you need?

    13) g(x)=g(4x)
    Nothing is "done" to 4x here.
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