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Jika f(x) = 3x 2 + 4x + 1dang(x) = 6x. Maka nilai fungsi (f o g)(2) =....

Jika f(x) = 3x2 + 4x + 1 dan g(x) = 6x. Maka nilai fungsi (f o g)(2) =....

  1. 471

  2. 481

  3. 451

  4. 441

  5. 431

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N. Rahayu

Master Teacher

Mahasiswa/Alumni Universitas Negeri Jakarta

Jawaban terverifikasi

Pembahasan

• M e n e n t u k a n space n i l a i space f u n g s i space left parenthesis f space o space g right parenthesis left parenthesis x right parenthesis left parenthesis f space o space g right parenthesis left parenthesis x right parenthesis space equals space f left parenthesis g left parenthesis x right parenthesis right parenthesis left parenthesis f space o space g right parenthesis left parenthesis x right parenthesis space equals space f left parenthesis 6 x right parenthesis left parenthesis f space o space g right parenthesis left parenthesis x right parenthesis space equals space 3 left parenthesis 6 x right parenthesis to the power of 2 space end exponent plus space 4 left parenthesis 6 x right parenthesis space plus space 1 left parenthesis f space o space g right parenthesis left parenthesis x right parenthesis space equals space 3 left parenthesis 36 x squared right parenthesis space space plus space 24 x space plus space 1 left parenthesis f space o space g right parenthesis left parenthesis x right parenthesis space equals space 108 x squared space plus space 24 x space plus space 1 • M e n e n t u k a n space n i l a i space f u n g s i space left parenthesis f space o space g right parenthesis left parenthesis 2 right parenthesis left parenthesis f space o space g right parenthesis left parenthesis x right parenthesis space equals space 108 x squared space plus space 24 x space plus space 1 left parenthesis f space o space g right parenthesis left parenthesis 2 right parenthesis space equals space 108 left parenthesis 2 right parenthesis squared space plus space 24 left parenthesis 2 right parenthesis space plus space 1 left parenthesis f space o space g right parenthesis left parenthesis 2 right parenthesis space equals space 432 space plus space 48 plus space 1 space equals space 481

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