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11 January, 16:16

If f.) = 2x2 + 1, what is f (x) when x = 3?

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  1. 11 January, 19:25
    0
    19

    Step-by-step explanation:

    f (x) = 2x^2 + 1

    Let x = 3

    f (3) = 2 (3) ^2 + 1

    = 2 * 9 + 1

    = 18 + 1

    = 19
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