F(x) = (4x+3)/(2x-1)
F(x) = (4x+3)/(2x-1) First switch domain and range
x = (4y+3)/(2y-1) Then solve for y
Cross multiply to get
2xy - x = 4y + 3
2xy - 4y = x + 3
y(2x - 4) = (x + 3)
y = (x + 3)/(2x - 4)
F^-1(x) = (x + 3)/(2x - 4)
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