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7 May, 08:30

The functions f (x) and g (x) are described below: f (x) = 7x + 9 g (x) = 7x - 4 The graph of g (x) is obtained by shifting down the graph of f (x) by ___ units.

A.) 13

B.) 9

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Answers (1)
  1. 7 May, 10:21
    0
    Correct Answer:

    Option A

    Solution:

    f (x) = 7x + 9

    g (x) = 7x - 4

    We can re-write g (x) as:

    g (x) = 7x + 9 - 13

    Since 7x+9 is equal to f (x), we can write:

    g (x) = f (x) - 13

    This relation shows that g (x) is obtained by shifting f (x) 13 units vertically down. So the correct answer is option A.
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