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5 September, 17:34

When x represents whole numbers less than 200, the function f (x) = 2x - 20 represents the profit earned from selling x carnations for a school fund-raiser. What is the value of f (140) ?

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  1. 5 September, 17:45
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    260

    Step-by-step explanation:

    When x represents whole numbers less than 200, the function

    f (x) = 2x - 20 ... (1)

    represents the profit earned from selling x carnations for a school fund-raiser.

    Therefore, the profit earned from selling 140 carnations for the school fund-raiser will be given by the equation (1) as

    f (140) = 2 (140) - 20 = 280 - 20 = 260.

    Therefore, 260 is the value of f (140). (Answer)
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