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9 December, 22:44

Di ketahui f (x) = ax+b tentukan fungsi f (1) = 3danf (2) = 5

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  1. 10 December, 00:33
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    F (x) = ax + b

    maka ...

    f (1) = 3

    a (1) + b = 3 - - > a+b = 3

    f (2) = 5

    a (2) + b = 5 - - > 2a+b = 5

    untuk mencari nilai a dan b nya, di eliminasi, maka dapat

    a=2 dan b=1
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