Matematika Sekolah Menengah Atas tolong di bantu : jika * f ^ - 1 * (x) = (x - 1)/5 * d * a * n * g ^ - 1 * (x) = (3 - x)/2 maka (f g)^ -1 (6)= .

tolong di bantu : jika * f ^ - 1 * (x) = (x - 1)/5 * d * a * n * g ^ - 1 * (x) = (3 - x)/2 maka (f g)^ -1 (6)= .

(f o g)^-1

= f^-1 (x) [ g^-1 (x) ]

= ( (3 - x) / 2 ) - 1 / 5

= ( ((3 - x) / 2 ) - 2/2) / 5

= ( ( - x + 1 ) / 2) / 5

= ( - x + 1 ) / 10

(f o g)^-1 (6)

= - 6 + 1 / 10

= - 5 / 10

= - 1/2 (A.)

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