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2x + 1 = a
Dan
2x + 1 = a
2x = a - 1
x = (a - 1)/2
(f • g) Invers
= (-6x + 5)/(2x - 2)
(f • g)(x)
= (2x + 5)/(2x + 6)
f(g(x)) = (2x + 5)/(2x + 6)
f(2x + 1) = (2x + 5)/(2x + 6)
f(a) = [ 2(a-1)/2 + 5 ] / [ 2(a-1)/2 + 6 ]
f(a) = (a - 1 + 5 )/(a - 1 + 6)
f(a) = (a + 4)/(a + 5)
f(x) = (x + 4)/(x + 5)
f(x) Invers
= (-5x + 4)/(x - 1)