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Math Help - Math Grade 11 Question (Step Function)

  1. #1
    s3a
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    Math Grade 11 Question (Step Function)

    On question #6, I do not understand why parameter a is a negative number. To my knowledge when the white opening is on the left b is a negative number but when a goes from bottom left to top right, it is a positive number. Why am I wrong?

    Any help would be greatly appreciated as I am studying for my math exam!
    Thanks in advance!
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  2. #2
    Senior Member vincisonfire's Avatar
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    Usually the "empty point" is on the right. Here it is on the left. This means the function has been rotated by 180 degree.
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