Pertanyaan

Jika diketahui bahwa f (x) = 2x, g(x) = 3 - 5x, maka (( g o f ) − 1 ) ( x ) a d a l ah ....

Jika diketahui bahwa f (x) = 2x, g(x) = 3 - 5x, $maka ((g o f)^{- 1}) (x) a d a l ah ....$

S. Nur

Master Teacher

Jawaban terverifikasi

Pembahasan

$f left parenthesis x right parenthesis equals 2 x g left parenthesis x right parenthesis equals 3 minus 5 x left parenthesis g o f right parenthesis left parenthesis x right parenthesis equals 3 minus 5 left parenthesis 2 x right parenthesis left parenthesis g o f right parenthesis left parenthesis x right parenthesis equals 3 minus 10 x left parenthesis g o f right parenthesis to the power of negative 1 end exponent left parenthesis x right parenthesis equals 3 minus 10 x y equals 3 minus 10 x 10 x equals 3 minus y x equals fraction numerator 3 minus y over denominator 10 end fraction y equals 1 over 10 left parenthesis 3 minus x right parenthesis$