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Jika f ( x ) = Зх − 4 2 x ​ , x  = 3 4 ​ , x ∈ R dan f − 1 ( k ) = 1 , Tentukan nilai k !

Jika , Tentukan nilai !    space 

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  2. ... undefined 

M. Alfi

Master Teacher

Mahasiswa/Alumni Universitas Negeri Semarang

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begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row y equals cell f open parentheses x close parentheses equals fraction numerator 2 x over denominator З х minus 4 end fraction end cell row cell y open parentheses 3 x minus 4 close parentheses end cell equals cell 2 x end cell row cell 3 x y minus 4 y end cell equals cell 2 x end cell row blank blank blank row cell 3 x y minus 2 x end cell equals cell 4 y end cell row cell x left parenthesis 3 y minus 2 right parenthesis end cell equals cell 4 y end cell row x equals cell fraction numerator 4 y over denominator 3 y minus 2 end fraction end cell row cell f open parentheses y close parentheses end cell equals cell fraction numerator 4 y over denominator 3 y minus 2 end fraction end cell row cell f to the power of negative 1 end exponent open parentheses x close parentheses end cell equals cell fraction numerator 4 x over denominator 3 x minus 2 end fraction end cell end table end style 

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell f to the power of negative 1 end exponent open parentheses k close parentheses end cell equals 1 row cell fraction numerator 4 k over denominator 3 k minus 2 end fraction end cell equals 1 row cell 4 k end cell equals cell 3 k minus 2 end cell row k equals cell negative 2 end cell end table end style

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