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Tentukan  dan  jika  dan

Tentukan undefined dan begin mathsize 14px style g ring operator f left parenthesis x right parenthesis end style jika begin mathsize 14px style f open parentheses x close parentheses equals 4 x squared minus 5 end style dan begin mathsize 14px style g open parentheses x close parentheses equals 8 x plus 2 end style

Jawaban:

Diketahui :

begin mathsize 14px style f open parentheses x close parentheses equals 4 x squared minus 5 end style

begin mathsize 14px style g open parentheses x close parentheses equals 8 x plus 2 end style

Ditanya :

undefined

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

Jawab :

#Mencari undefined

begin mathsize 14px style f ring operator g open parentheses x close parentheses equals open parentheses f open parentheses g open parentheses x close parentheses close parentheses close parentheses f ring operator g open parentheses x close parentheses equals open parentheses f open parentheses 8 x plus 2 close parentheses close parentheses f ring operator g open parentheses x close parentheses equals 4 open parentheses 8 x plus 2 close parentheses squared minus 5 f ring operator g open parentheses x close parentheses equals 4 open parentheses 64 x squared plus 32 x plus 4 close parentheses minus 5 f ring operator g open parentheses x close parentheses equals open parentheses 256 x squared plus 128 x plus 16 close parentheses minus 5 f ring operator g open parentheses x close parentheses equals 256 x squared plus 128 x plus 16 minus 5 f ring operator g open parentheses x close parentheses equals 256 x squared plus 128 x plus 11 end style 

#Mencari begin mathsize 14px style g ring operator f left parenthesis x right parenthesis end style

begin mathsize 14px style g ring operator f open parentheses x close parentheses equals g open parentheses f open parentheses x close parentheses close parentheses g ring operator f open parentheses x close parentheses equals g open parentheses 4 x squared minus 5 close parentheses g ring operator f open parentheses x close parentheses equals 8 open parentheses 4 x squared minus 5 close parentheses plus 2 g ring operator f open parentheses x close parentheses equals 32 x squared minus 40 plus 2 g ring operator f open parentheses x close parentheses equals 32 x squared minus 38 end style 

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