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25 July, 16:17

Describe the translation of the following function.

Y = - 1/3 |x + 4| - 2

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Answers (2)
  1. 25 July, 19:03
    0
    Y=|x| is probably the original function

    so we see

    rewrite

    y=-1/3 (|x+4|+6)

    we see that the whole function was multiplied by - 1 and also by 1/3, so it is reflected across the x axis then vertically compressed by a factor of 1/3

    see inside

    |x+4|+6

    to move up, a units, add a to whole function

    this is 6, it was moved up 6 units

    to move right, c units, subtract c from every x

    so it was moved to the right - 4 units or 4 units to the left

    so the transformation is

    from y=|x| to y=-1/3|x+4|-2 is

    move left 4 units

    move up 6 units

    compressed vertically by a factor of 1/3

    reflected across x axis
  2. 25 July, 20:03
    0
    Y equals negative one over three. absolute value of x plus 4. minus 2
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