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27 July, 20:49

Find the value of x so that f (x) = - 9 if f (x) = 3x+4

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  1. 27 July, 23:14
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    f (-9) = - 23

    Step-by-step explanation:

    Step 1: Identify the function

    f (x) = 3x + 4

    Step 2: Set x to - 9 in the function

    f (-9) = 3 (-9) + 4

    Step 3: Multiply

    f (-9) = - 27 + 4

    Step 4: Add

    f (-9) = - 23

    Answer: f (-9) = - 23
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