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14 July, 06:08

If f (x) = 6x-4 what is the f (x) when x=8

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  1. 14 July, 09:47
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    44

    Step-by-step explanation:

    Function notation is f (x) and says an output value f (x) for an input value x. So when x=8, we find f (8).

    We substitute x=8 which is f (8) = 6 (8) - 4.

    We simplify f (8) = 48-4=44.

    So f (8) = 44. When x=8, f (x) is 44.
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