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Which of the following functions are written using function notation? g (x) = 5x + 2 y = 1 x h = x2 r (x) = x f/x = x5 - 3 b (x) = 1 2 x3 p/x = - 7x k (x) = - 3 x + 1 y = mx + b fx = - x3 + 4

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  1. Today, 02:28
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    We are given : g (x) = 5x + 2.

    y = 1 x

    h = x^2

    r (x) = x

    f/x = x^5 - 3

    b (x) = 1/2 x^3

    p/x = - 7x

    k (x) = - 3 x + 1

    y = mx + b

    fx = - x^3 + 4

    Note: Function is written in the from of f (x) and read as function f of x.

    There could be any letter used for function, like h (x), g (x), k (x).

    Therefore, in the given options the following are in function notations only:

    g (x) = 5x + 2.

    r (x) = x

    b (x) = 1/2 x^3

    k (x) = - 3 x + 1.
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