Roboguru

Jika  dan , tentukan hasil operasi fungsi berikut ...

Jika begin mathsize 14px style straight f open parentheses straight x close parentheses equals straight x minus 3 end style dan begin mathsize 14px style straight g open parentheses straight x close parentheses equals 2 straight x cubed plus 5 straight x end style, tentukan hasil operasi fungsi berikut :

begin mathsize 14px style open parentheses straight f plus straight g close parentheses open parentheses straight x close parentheses end style 

  1. ...space 

  2. ...space space 

Jawaban:

left parenthesis f space plus space g right parenthesis left parenthesis x right parenthesis space equals space f left parenthesis x right parenthesis space plus space g space right parenthesis left parenthesis x right parenthesis space space space space space space space space space space space space space space space space space space space space space equals space left parenthesis x minus 3 right parenthesis space plus space left parenthesis 2 space x cubed space plus space 5 space x space right parenthesis space space space space space space space space space space space space space space space space space space space equals space 2 space x cubed space plus space 6 space x space minus space 3

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