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26 July, 08:06

Which function is the inverse of f (x) = - 5x - 4?

A) f-1 (x) = - 5x-4

B) f-19 (x) = - 1/5x+4/5

C) f-1 (x) = - 4x + 5

D) f-1 (x) = 4x + 4

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Answers (2)
  1. 26 July, 08:52
    0
    Just took the test. A is the right answer.
  2. 26 July, 10:22
    0
    B) would be the most correct here

    y=-5x-4

    x=-5y-4

    x+4=-5y

    (-1/5) x - (4/5) = y
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