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29 January, 18:42

If f (x) = 3-2a, then find f (-3)

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  1. 29 January, 21:57
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    use the substitution method

    f (x) = 3-2a

    f (-3) = 3-2 (-3)

    do the bracket first

    (-2) (-3) = 6

    3+6 = 9

    Answer : f (-3) = 9
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