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Pertanyaan

Jika f ( x ) = x 7 − 97 x 6 − 199 x 5 + 99 x 4 − 2 x + 190 , nilai f ( 99 ) = ...

Jika , nilai 

  1. 16 

  2. 10 

  3. 4 space

  4. negative 2

  5. negative 8

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I. Sutiawan

Master Teacher

Mahasiswa/Alumni Universitas Pasundan

Jawaban terverifikasi

Jawaban

jawaban yang tepat adalah E

jawaban yang tepat adalah E

Pembahasan

Diketahui , maka: Jadi, jawaban yang tepat adalah E

Diketahui f open parentheses x close parentheses equals x to the power of 7 minus 97 x to the power of 6 minus 199 x to the power of 5 plus 99 x to the power of 4 minus 2 x plus 190, maka:

begin mathsize 12px style table attributes columnalign right center left columnspacing 0px end attributes row cell f open parentheses 99 close parentheses end cell equals cell 99 to the power of 7 minus 97 cross times 99 to the power of 6 minus 199 cross times 99 to the power of 5 plus 99 cross times 99 to the power of 4 minus 2 cross times 99 plus 190 end cell row blank equals cell 99 to the power of 7 minus 97 cross times 99 to the power of 6 minus 199 cross times 99 to the power of 5 plus 99 to the power of 5 minus 2 cross times 99 plus 190 end cell row blank equals cell 99 to the power of 7 minus 97 cross times 99 to the power of 6 minus 198 cross times 99 to the power of 5 minus 2 cross times 99 plus 190 end cell row blank equals cell 99 to the power of 7 minus 97 cross times 99 to the power of 6 minus 2 cross times 99 to the power of 6 minus 198 plus 190 end cell row blank equals cell 99 to the power of 7 minus 99 cross times 99 to the power of 6 minus 198 plus 190 end cell row blank equals cell 99 to the power of 7 minus 99 to the power of 7 minus 198 plus 190 end cell row blank equals cell negative 198 plus 190 end cell row blank equals cell negative 8 end cell end table end style 

Jadi, jawaban yang tepat adalah E

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