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25 July, 09:50

Given the polynomial function below, find Æ-5).

F (x) = x - 22-7

+5
Answers (2)
  1. 25 July, 09:58
    0
    f (-5) = 28

    Step-by-step explanation:

    The function is:

    f (x) = x^2-2x-7

    To find the answer put the value of - 5 for all x's.

    f (x) = x^2-2x-7

    f (-5) = (-5) ^2 - 2 (-5) - 7

    f (-5) = 25+10-7

    f (-5) = 35-7

    f (-5) = 28 ...
  2. 25 July, 10:13
    0
    f (-5) = 28
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