Roboguru

F u n g s i space f colon space R rightwards arrow R space d i d e f i n i s i k a n space d e n g a n space f left parenthesis x right parenthesis equals fraction numerator 2 x minus 1 over denominator 3 x plus 4 end fraction comma space x not equal to negative 4 over 3. space I n v e r s space f u n g s i space f left parenthesis x right parenthesis space a d a l a h space...

  1. f to the power of negative 1 end exponent left parenthesis x right parenthesis equals fraction numerator 4 x minus 1 over denominator 3 x plus 2 end fraction comma space x equals fraction numerator negative 2 over denominator 3 end fraction

  2. f to the power of negative 1 end exponent left parenthesis x right parenthesis equals fraction numerator x plus 1 over denominator 3 x minus 2 end fraction comma space x equals 2 over 3

  3. f to the power of negative 1 end exponent left parenthesis x right parenthesis equals fraction numerator 4 x plus 1 over denominator 2 minus 3 x end fraction comma space x equals 2 over 3

  4. f to the power of negative 1 end exponent left parenthesis x right parenthesis equals fraction numerator 4 x minus 1 over denominator 3 x minus 2 end fraction comma space x equals 2 over 3

  5. f to the power of negative 1 end exponent left parenthesis x right parenthesis equals fraction numerator 4 x plus 1 over denominator 3 x plus 4 end fraction comma space x equals fraction numerator negative 4 over denominator 3 end fraction

Jawaban:

f left parenthesis x right parenthesis equals fraction numerator a x plus b over denominator c x plus d end fraction rightwards arrow f to the power of negative 1 end exponent left parenthesis x right parenthesis equals fraction numerator negative d x plus b over denominator c x plus left parenthesis negative a right parenthesis end fraction  P e r h a t i k a n space l e t a k space a space d a n space d space d i t u k a r space d a n space t a n d a n y a space b e r u b a h space j a d i space n e g a t i f space left parenthesis negative right parenthesis comma space m a k a space  f left parenthesis x right parenthesis equals fraction numerator 2 x minus 1 over denominator 3 x plus 4 end fraction rightwards arrow f to the power of negative 1 end exponent left parenthesis x right parenthesis equals fraction numerator negative 4 x minus 1 over denominator 3 x minus 2 end fraction equals fraction numerator 4 x plus 1 over denominator 2 minus 3 x end fraction

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