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Pertanyaan

Diketahui f ( x ) = 5 x 2 + 3 x − 1 d an g ( x ) = x + 1 . Komposisi fungsi ( f ∘ g ) ( x ) adalah....

Diketahui  . Komposisi fungsi  adalah....

  1. 5 x squared plus 3 x plus 15

  2. 5 x squared plus 13 x plus 7

  3. 5 x squared plus 13 x plus 15

  4. 25 x squared plus 50 x plus 23

  5. 25 x squared plus 52 x plus 27

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N. Rahayu

Master Teacher

Mahasiswa/Alumni Universitas Negeri Jakarta

Jawaban terverifikasi

Jawaban

Error converting from MathML to accessible text.

Pembahasan

Jadi,

f open parentheses x close parentheses equals 5 x squared plus 3 x minus 1 g open parentheses x close parentheses equals x plus 1

table attributes columnalign right center left columnspacing 0px end attributes row cell open parentheses f ring operator g close parentheses open parentheses x close parentheses end cell equals cell f open parentheses g open parentheses x close parentheses close parentheses end cell row blank equals cell 5 open parentheses x plus 1 close parentheses squared plus 3 open parentheses x plus 1 close parentheses minus 1 end cell row blank equals cell 5 left parenthesis x squared plus 2 x plus 1 right parenthesis plus 3 x plus 3 minus 1 end cell row blank equals cell 5 x squared plus 10 x plus 5 plus 3 x plus 3 minus 1 end cell row blank equals cell 5 x squared plus 13 x plus 7 end cell end table

Jadi, Error converting from MathML to accessible text.

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Jika f ( x ) = 3 x 2 + 6 dan g ( x ) = x + 2 ,maka ( f ∘ g ) ( 1 ) adalah....

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