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25 November, 01:16

Find x if f (x) = 2x + 7 and f (x) = - 1.

1. - 4

2. - 3

3. 5

+3
Answers (1)
  1. 25 November, 01:37
    0
    You plug in - 1 for f (x) so - 1=2x+7. Simplify and the answer is - 4. So A.
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