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Pertanyaan

Jika diketahui bahwa f (x) = 2x, g(x) = 3 - 5x, maka (( g o f ) − 1 ) ( x ) a d a l ah ....

Jika diketahui bahwa f (x) = 2x, g(x) = 3 - 5x,

  1. 3 over 11 left parenthesis 6 plus x right parenthesis

  2. 6 over 11 left parenthesis 6 plus x right parenthesis

  3. 1 over 10 left parenthesis 3 minus x right parenthesis

  4. 1 over 10 left parenthesis 6 minus x right parenthesis

  5. 6 over 11 left parenthesis 6 minus x right parenthesis

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S. Nur

Master Teacher

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Pembahasan

f left parenthesis x right parenthesis equals 2 x  g left parenthesis x right parenthesis equals 3 minus 5 x  left parenthesis g o f right parenthesis left parenthesis x right parenthesis equals 3 minus 5 left parenthesis 2 x right parenthesis  left parenthesis g o f right parenthesis left parenthesis x right parenthesis equals 3 minus 10 x  left parenthesis g o f right parenthesis to the power of negative 1 end exponent left parenthesis x right parenthesis equals 3 minus 10 x  y equals 3 minus 10 x  10 x equals 3 minus y  x equals fraction numerator 3 minus y over denominator 10 end fraction  y equals 1 over 10 left parenthesis 3 minus x right parenthesis

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J ika f ( x ) = x − 1 1 ​ d an g ( x ) = x − 2 , maka ( g o f ) − 1 ( x ) a d a l ah ...

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