Roboguru

D i k e t a h u i space f left parenthesis x right parenthesis equals x plus 3 space d a n space g left parenthesis x right parenthesis equals x squared minus 5 x plus 1. space F u n g s i space k o m p o s i s i space left parenthesis g o f right parenthesis left parenthesis x right parenthesis equals....

  1. x squared plus x minus 5

  2. x squared plus x plus 10

  3. x squared plus x plus 13

  4. x squared minus 5 x plus 13

  5. x squared minus 5 x plus 4

Jawaban:

left parenthesis g o f right parenthesis left parenthesis x right parenthesis equals g left parenthesis f left parenthesis x right parenthesis right parenthesis  g left parenthesis f left parenthesis x right parenthesis right parenthesis equals left parenthesis x plus 3 right parenthesis squared minus 5 left parenthesis x plus 3 right parenthesis plus 1  g left parenthesis f left parenthesis x right parenthesis right parenthesis equals x squared plus 6 x plus 9 minus 5 x minus 15 plus 1  g left parenthesis f left parenthesis x right parenthesis right parenthesis equals x squared plus x minus 5

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