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Jika f ( x ) = 2 x 2 + 3 dan g ( x ) = x + 2 , maka ( f ∘ g ) ( 0 ) adalah....

Jika  dan , maka  adalah....

  1. 0

  2. 11

  3. 21

  4. 37

  5. 49

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A. Acfreelance

Master Teacher

Jawaban terverifikasi

Pembahasan

Menentukan terlebih dahulu Ganti x pada dengan 0

Menentukan left parenthesis straight f ring operator straight g right parenthesis left parenthesis straight x right parenthesis terlebih dahulu

left parenthesis straight f ring operator straight g right parenthesis left parenthesis straight x right parenthesis equals 2 open parentheses straight g open parentheses straight x close parentheses close parentheses squared plus 3 space space space space space space space space space space space space space space equals 2 open parentheses straight x plus 2 close parentheses squared plus 3 space space space space space space space space space space space space space space equals 2 open parentheses straight x squared plus 4 straight x plus 4 close parentheses plus 3 space space space space space space space space space space space space space space equals 2 straight x squared plus 8 straight x plus 8 plus 3 space space space space space space space space space space space space space space equals 2 straight x squared plus 8 straight x plus 11

Ganti x pada left parenthesis straight f ring operator straight g right parenthesis left parenthesis straight x right parenthesis dengan 0

left parenthesis straight f ring operator straight g right parenthesis left parenthesis 0 right parenthesis equals 2 open parentheses 0 close parentheses squared plus 8 open parentheses 0 close parentheses plus 11 space space space space space space space space space space space space space space equals 0 plus 0 plus 11 space space space space space space space space space space space space space space equals 11

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Jika suatu fungsi f ( x ) = x − 3 dan g ( x ) = x + 6 , maka ( f o g ) ( x ) adalah....

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