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21 June, 22:57

Evaluate when x = - 3

f (x) = - 2x-3

+3
Answers (2)
  1. 21 June, 23:08
    0
    You basically substitute x with - 3 and solve

    f (x) = - 2x - 3

    f (-3) = - 2 (-3) - 3

    f (-3) = 6 - 3

    f (-3) = 3

    So when x = - 3, f (x) = 3

    Your final answer is 3.
  2. 22 June, 00:09
    0
    Sub - 3 for every x

    f (-3) = - 2 (-3) - 3

    f (-3) = 6-3

    f (-3) = 3
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