Bantu dong yang bisa
f^(x) = (x-1)/5
f^-1(x) = 5x + 1
g^-1(x) = (3-x)/2 = (-x+3)/2
g(x) = -2x+3
(f^-1 o g) (x) = 5(-2x+3)+1 = -10x +16
(f^-1 o g) ^-1 (x) = (x-16)/-10 = (-x +16)/10
(f^-1 o g)^-1 (2) = (-2 +16)/10 = 14/10 = 7/5
Bantu dong yang bisa
f^(x) = (x-1)/5
f^-1(x) = 5x + 1
g^-1(x) = (3-x)/2 = (-x+3)/2
g(x) = -2x+3
(f^-1 o g) (x) = 5(-2x+3)+1 = -10x +16
(f^-1 o g) ^-1 (x) = (x-16)/-10 = (-x +16)/10
(f^-1 o g)^-1 (2) = (-2 +16)/10 = 14/10 = 7/5