Jika dan dengan , maka nilai a adalah ....

Pertanyaan

Jika begin mathsize 14px style straight f open parentheses straight x close parentheses equals 3 minus 2 straight x plus straight a end style dan begin mathsize 14px style straight g open parentheses straight x close parentheses equals 2 straight x minus 1 end style dengan begin mathsize 14px style open parentheses straight f ring operator straight f close parentheses open parentheses straight x close parentheses equals open parentheses straight g ring operator straight g close parentheses open parentheses straight x close parentheses end style, maka nilai begin mathsize 14px style straight a end style adalah ....

  1. -1

  2. 0

  3. 2

  4. 3

  5. 5

A. Rizky

Master Teacher

Mahasiswa/Alumni Universitas Negeri Malang

Jawaban terverifikasi

Pembahasan

Diketahui undefined, maka

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell open parentheses straight f ring operator straight f close parentheses open parentheses straight x close parentheses end cell equals cell open parentheses straight g ring operator straight g close parentheses open parentheses straight x close parentheses end cell row cell straight f open parentheses straight f open parentheses straight x close parentheses close parentheses end cell equals cell straight g open parentheses straight g open parentheses straight x close parentheses close parentheses end cell row cell straight f open parentheses 3 minus 2 straight x plus straight a close parentheses end cell equals cell straight g open parentheses 2 straight x minus 1 close parentheses end cell row cell 3 minus 2 open parentheses 3 minus 2 straight x plus straight a close parentheses plus straight a end cell equals cell 2 open parentheses 2 straight x minus 1 close parentheses minus 1 end cell row cell 3 minus 6 plus 4 straight x minus 2 straight a plus straight a end cell equals cell 4 straight x minus 2 minus 1 end cell row cell negative 3 plus 4 straight x minus straight a end cell equals cell 4 straight x minus 3 end cell row cell 4 straight x minus 4 straight x minus 3 plus 3 minus straight a end cell equals 0 row cell negative straight a end cell equals 0 row straight a equals 0 end table end style

19

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