Pertanyaan

Jika dan , maka ....

A. Rizky

Master Teacher

Mahasiswa/Alumni Universitas Negeri Malang

Jawaban terverifikasi

Jawaban

jawabannya adalah B.

Pembahasan

Perhatikan bahwa Jadi, jawabannya adalah B.

Perhatikan bahwa

$begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell open parentheses straight f ring operator straight g close parentheses open parentheses straight x close parentheses end cell equals cell 4 straight x squared minus 2 straight x minus 3 end cell row cell straight f open parentheses straight g open parentheses straight x close parentheses close parentheses end cell equals cell 4 straight x squared minus 2 straight x minus 3 end cell row cell 2 straight g open parentheses straight x close parentheses minus 1 end cell equals cell 4 straight x squared minus 2 straight x minus 3 end cell row cell 2 straight g open parentheses straight x close parentheses end cell equals cell 4 straight x squared minus 2 straight x minus 2 end cell row cell straight g open parentheses straight x close parentheses end cell equals cell fraction numerator 4 straight x squared minus 2 straight x minus 2 over denominator 2 end fraction end cell row cell straight g open parentheses straight x close parentheses end cell equals cell 2 straight x squared minus straight x minus 1 end cell end table end style$

Jadi, jawabannya adalah B.