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1. Jika , b. Tentukan

1. Jika begin mathsize 14px style f left parenthesis x right parenthesis equals 4 x minus 2 end stylebegin mathsize 14px style g left parenthesis x right parenthesis equals x plus 3 end style
b. Tentukan begin mathsize 14px style open parentheses f ring operator g close parentheses left parenthesis negative 2 right parenthesis end style
 

  1. ....space space 

  2. ....space space 

Jawaban:

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell f ring operator g left parenthesis x right parenthesis end cell equals cell f left parenthesis g left parenthesis x right parenthesis right parenthesis end cell row blank equals cell f left parenthesis x plus 3 right parenthesis end cell row blank equals cell 4 left parenthesis x plus 3 right parenthesis minus 2 end cell row blank equals cell 4 x plus 12 minus 2 end cell row blank equals cell 4 x plus 10 end cell row blank blank blank row cell f ring operator g left parenthesis negative 2 right parenthesis end cell equals cell 4 left parenthesis negative 2 right parenthesis plus 10 end cell row blank equals cell negative 8 plus 10 end cell row blank equals 2 end table end style

Jadi, begin mathsize 14px style open parentheses f ring operator g close parentheses left parenthesis negative 2 right parenthesis end style adalah 2.

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