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7 February, 10:02

Let f (x) = x^2-3x - 7 find f (-3) ...

choose 11,8,-7,-10 whats the answer one of these are the answers

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  1. 7 February, 12:45
    0
    Replace the variable x with - 3 in the expression.

    f (-3) = (-3) ^2 - 3 (-3) - 7

    Simplify each term.

    f (-3) = 9+9-7

    Add 9 and 9 to get 18.

    f (-3) = 18-7

    Subtract 7 from 18 to get 11.

    f (-3) = 11

    The final answer is 11.

    11
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