Question

Determine a função iversa abaixo: g(x)= x+1
______
2x

Answer 1

g(x) = (x + 1) / 2x
y = (x + 1) / 2x
x = (y + 1) / 2y
2yx = y + 1
2y = (y + 1) / x
2y / (y + 1) = 1 / x
y / (y + 1) = 1 / 2x

y = 1 / (2x - 1)