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Jika dan , maka ....

Jika begin mathsize 14px style f open parentheses x close parentheses equals x plus 3 end style dan begin mathsize 14px style open parentheses g ring operator f close parentheses open parentheses x close parentheses equals 2 x squared plus 4 x minus 3 end style, maka begin mathsize 14px style open parentheses f ring operator g close parentheses open parentheses 1 close parentheses equals end style....

  1. begin mathsize 14px style 6 end style 

  2. size 14px 3 

  3. undefined 

  4. size 14px 1 

  5. size 14px 0 

Jawaban:

Perhatikan

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell g open parentheses f open parentheses x close parentheses close parentheses end cell equals cell 2 x squared plus 4 x minus 3 end cell row cell Misal comma space g open parentheses x close parentheses end cell equals cell a x squared plus b x plus c end cell row cell g open parentheses x plus 3 close parentheses end cell equals cell a open parentheses x plus 3 close parentheses squared plus b open parentheses x plus 3 close parentheses plus c end cell row cell 2 x squared plus 4 x minus 3 end cell equals cell a x squared plus 6 a x plus 9 plus b x plus 3 b plus c end cell row cell 2 x squared plus 4 x minus 3 end cell equals cell a x squared plus open parentheses 6 a plus b close parentheses x plus 9 plus 3 b plus c end cell row 2 equals cell a comma space 12 plus b equals 4 comma space b equals negative 8 end cell row cell 9 minus 24 plus c end cell equals cell negative 3 comma space c equals 12 end cell row cell g open parentheses x close parentheses end cell equals cell 2 x squared minus 8 x plus 12 end cell row cell f open parentheses g open parentheses x close parentheses close parentheses end cell equals cell 2 x squared minus 8 x plus 15 end cell row cell f open parentheses g open parentheses 1 close parentheses close parentheses end cell equals 9 row blank blank blank end table end style

Oleh karena itu, tidak ada jawaban yang tepat.

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