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18 February, 12:57

F (x) = -6x2 - 5x + 4; find f (-2)

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  1. 18 February, 15:41
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    f (-2) = 2

    Step-by-step explanation:

    I'm assuming "-6x2" is actually "6x^2"

    f (x) = - 6x^2 - 5x + 4

    Plug in - 2 for the x's

    f (-2) = - 6 (-2) ^2 - 5 (-2) + 4

    f (-2) = - 6 (2) - 5 (-2) + 4

    f (-2) = - 12 + 10 + 4

    f (-2) = - 12 + 14

    f (-2) = 2
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