Roboguru

Diketahui  dan , Jika , maka nilai  adalah ...

Pertanyaan

Diketahui f open parentheses x close parentheses equals x minus 6 dan g open parentheses x close parentheses equals x plus 5, Jika open parentheses g ring operator f close parentheses open parentheses a close parentheses equals 2, maka nilai a adalah ...

  1. 3 

  2. 4 

  3. 5 

  4. negative 3 

  5. negative 9 

Pembahasan Soal:

f open parentheses x close parentheses equals x minus 6 comma space g open parentheses x close parentheses equals x plus 5 space rightwards arrow space space space space space space space open parentheses g ring operator f close parentheses open parentheses a close parentheses equals 2 space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space g open parentheses a minus 6 close parentheses equals 2 space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space open parentheses a minus 6 close parentheses plus 5 equals 2 space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space a minus 1 equals 2 space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space a equals 3 

Jadi, jawaban yang tepat adalah A.

Pembahasan terverifikasi oleh Roboguru

Terakhir diupdate 06 Mei 2021

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