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Diketahui fungsi  dengan  dan fungsi  dengan . Ten...

Diketahui fungsi size 14px f size 14px space size 14px colon size 14px space size 14px R size 14px space size 14px rightwards arrow size 14px R dengan size 14px f size 14px left parenthesis size 14px x size 14px right parenthesis size 14px equals size 14px 2 size 14px x to the power of size 14px 2 size 14px minus size 14px 3 dan fungsi size 14px g size 14px space size 14px colon size 14px space size 14px R size 14px rightwards arrow size 14px R dengan size 14px g size 14px left parenthesis size 14px x size 14px right parenthesis size 14px equals size 14px x size 14px plus size 14px 6. Tentukanlah:

b.   begin mathsize 14px style left parenthesis f ring operator g right parenthesis left parenthesis x right parenthesis end style

  1. .... 

  2. .... 

Jawaban:

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell open parentheses f ring operator g close parentheses left parenthesis x right parenthesis end cell equals cell 2 open parentheses x plus 6 close parentheses squared minus 3 end cell row blank equals cell 2 open parentheses x squared plus 12 x plus 36 close parentheses minus 3 end cell row blank equals cell 2 x squared plus 24 x plus 72 minus 3 end cell row blank equals cell 2 x squared plus 24 x plus 69 end cell end table end style

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