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13 December, 16:14

How does the graph of g (x) = (x - 3) ^3 + 4 compare to the parent function f (x) = x^3?

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Answers (2)
  1. 13 December, 16:25
    0
    f (x) has moved:

    4 units in the positive y direction i. e upwards

    3 units in the positive x direction

    Step-by-step explanation:

    to get g (x), f (x) has undergone the following transformations

    f (x) = x³

    f1 (x) = x³ + 4 (translation of 4 units in the positive y direction i. e upwards)

    f2 (x) = g (x) = (x-3) ³ + 4 (translation of 3 units in the positive x direction i. e towards the right)
  2. 13 December, 16:42
    0
    The modified function has a translation of 3 units to the right and 4 units up compared to the parent function.

    Step-by-step explanation:

    Let's change both functions to y.

    How does y = (x - 3) ^3 + 4 compare with the parent function y = x^3?

    Start with y = (x - 3) ^3 + 4 and subtract 4 from both sides.

    y - 4 = (x - 3) ^3

    Now compare the function above with the parent function below.

    y = x^3

    We notice two differences. y of the parent function becomes y - 4 in the modified function. x of the parent function becomes x - 3 in the modified function.

    When you replace x by x - h, the function is translated h units horizontally. The translation is to the right if h is positive and to the left if h is negative.

    When you replace y by y - k, the function is translated k units vertically. The translation is up if k is positive and down if k is negative.

    In the modified function, x became x - 3.

    Compare x - 3 with x - h.

    h = 3

    3 is positive, so the modified function was translated 3 units to the right.

    In the modified function, y becomes y - 4.

    Compare y - 4 with y - k.

    k = 4

    4 is positive, so the modified function is translated 4 units up.

    Answer:

    The modified function has a translation of 3 units to the right and 4 units up compared to the parent function.
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