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Diketahui fungsi . Invers fungsi dari adalah ....

Diketahui fungsi begin mathsize 14px style straight f left parenthesis straight x right parenthesis equals straight x squared minus 6 straight x plus 12 end style. Invers fungsi dari begin mathsize 14px style straight f left parenthesis straight x right parenthesis end style adalah ....

  1. begin mathsize 14px style straight f to the power of negative 1 end exponent left parenthesis straight x right parenthesis equals negative 6 plus-or-minus square root of straight x plus 3 end root comma space straight x greater or equal than negative 3 end style 

  2. Error converting from MathML to accessible text. 

  3. Error converting from MathML to accessible text. 

  4. Error converting from MathML to accessible text. 

  5. Error converting from MathML to accessible text. 

Jawaban:

Dengan konsep invers fungsi:

undefined 

Maka:

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell straight f left parenthesis straight x right parenthesis end cell equals cell straight x squared minus 6 straight x plus 12 end cell row straight y equals cell straight x squared minus 6 straight x plus 12 end cell row straight y equals cell left square bracket straight x squared minus 6 straight x right square bracket plus 12 end cell row straight y equals cell left square bracket left parenthesis straight x minus 3 right parenthesis squared minus 9 right square bracket plus 12 end cell row straight y equals cell left parenthesis straight x minus 3 right parenthesis squared plus 3 end cell row cell left parenthesis straight y minus 3 right parenthesis end cell equals cell left parenthesis straight x minus 3 right parenthesis squared end cell row cell plus-or-minus square root of straight y minus 3 end root end cell equals cell straight x minus 3 end cell row cell 3 plus-or-minus square root of straight y minus 3 end root end cell equals straight x row cell 3 plus-or-minus square root of straight y minus 3 end root end cell equals cell straight f to the power of negative 1 end exponent left parenthesis straight y right parenthesis end cell row cell 3 plus-or-minus square root of straight x minus 3 end root end cell equals cell straight f to the power of negative 1 end exponent left parenthesis straight x right parenthesis space end cell end table end style 

Agar undefined terdefinisi maka Error converting from MathML to accessible text..

Jadi, Jika begin mathsize 14px style straight f left parenthesis straight x right parenthesis equals straight x squared minus 6 straight x plus 12 end style maka undefined.

Oleh karena itu, Jawaban yang benar adalah D

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