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Invers fungsi f(x)=3x−12x−3​, x=31​ adalah ....

Pertanyaan

Invers fungsi f left parenthesis x right parenthesis equals fraction numerator 2 x minus 3 over denominator 3 x minus 1 end fraction comma space x not equal to 1 third adalah ....

  1. f to the power of negative 1 end exponent left parenthesis x right parenthesis equals fraction numerator x minus 3 over denominator 3 x plus 2 end fraction comma space x not equal to negative 3 over 2

  2. f to the power of negative 1 end exponent left parenthesis x right parenthesis equals fraction numerator x minus 3 over denominator 3 x minus 3 end fraction comma space x not equal to 1

  3. f to the power of negative 1 end exponent left parenthesis x right parenthesis equals fraction numerator 2 x minus 2 over denominator x minus 3 end fraction comma space x not equal to 3

  4. f to the power of negative 1 end exponent left parenthesis x right parenthesis equals fraction numerator x minus 3 over denominator 3 x minus 2 end fraction comma space x not equal to 2 over 3

  5. f to the power of negative 1 end exponent left parenthesis x right parenthesis equals fraction numerator 3 x minus 2 over denominator x minus 3 end fraction comma space x not equal to 3

A. Acfreelance

Master Teacher

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Pembahasan

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 tan 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  f left parenthesis x right parenthesis equals fraction numerator 2 x minus 3 over denominator 3 x minus 1 end fraction rightwards arrow f to the power of negative 1 end exponent left parenthesis x right parenthesis equals fraction numerator x minus 3 over denominator 3 x minus 2 end fraction

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