Pertanyaan

Jika 8 ​ lo g 5 = p , maka 16 ​ lo g 10 = ....

Jika , maka  = ....

  1. 3p

  2. begin mathsize 14px style p cubed end style

  3. 4(3p + 1)

  4. begin mathsize 14px style fraction numerator 3 p plus 1 over denominator 4 end fraction end style

  5. begin mathsize 14px style fraction numerator p plus 3 over denominator 4 end fraction end style

A. Rizky

Master Teacher

Mahasiswa/Alumni Universitas Negeri Malang

Jawaban terverifikasi

Pembahasan

begin mathsize 14px style log presubscript space presuperscript 8 space 5 equals log presubscript space presuperscript 2 cubed end presuperscript space 5 equals 1 third space log presubscript space presuperscript 2 space 5  1 third space log presubscript space presuperscript 2 space 5 equals p rightwards double arrow log presubscript space presuperscript 2 space 5 equals 3 p    log presubscript space presuperscript 16 space 10 equals log presubscript space presuperscript 16 space 5 space. space 2  space space space space space space space space space space space space space equals log presubscript space presuperscript 16 space 5 plus log presubscript space presuperscript 16 space 2  space space space space space space space space space space space space space equals log presubscript space presuperscript 2 to the power of 4 end presuperscript space 5 plus log presubscript space presuperscript 2 to the power of 4 end presuperscript space 2  space space space space space space space space space space space space space equals 1 fourth log presubscript space presuperscript 2 space 5 plus 1 fourth log presubscript space presuperscript 2 space 2  space space space space space space space space space space space space space equals 1 fourth open parentheses 3 p close parentheses plus 1 fourth open parentheses 1 close parentheses  space space space space space space space space space space space space space equals fraction numerator 3 p plus 1 over denominator 4 end fraction end style

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Diketahui fungsi f ( x ) = 4 1 ​ lo g ( 2 x 2 + x + 8 ) . Nilai f ( 8 ) = ...

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