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7 November, 15:26

F (x) = - 1/3 x + 7 determine the input that would give an output value of 2/3

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  1. 7 November, 16:41
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    Ur output value is f (x) ... so to do this problem u need to sub in 2/3 for f (x) and solve for the input value which is x

    f (x) = - 1/3x + 7

    2/3 = - 1/3x + 7 ... multiply everything by 3

    2 = - x + 21

    2 - 21 = - x

    - 19 = - x

    19 = x < = = ur output
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