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2 September, 21:55

If f (x) = x² + 7, what is the value of f (4) ?

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  1. 2 September, 22:08
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    The value of f (4) is 23

    Step-by-step explanation:

    f (x) = x² + 7

    1) Plug in x as 4.

    f (4) = 4² + 7

    2) Simplify 4² to 16.

    f (4) = 16 + 7

    3) Simplify.

    23

    resulting in ...

    The value of f (4) is 23
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