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10 March, 10:00

Given f (x) = 2x^2 - 5x, determine the value of f (4).

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Answers (1)
  1. 10 March, 11:11
    0
    12

    Step-by-step explanation:

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

    Let x=4

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

    Exponents first

    = 2*16 - 5*4

    Multiply

    =32 - 20

    subtract

    =12
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