Answer:
f(x) = [tex]x = \frac{y^{2} - 1}{2}[/tex]
g(x) = 1
Step-by-step explanation:
y = (2x + 1)^1/2
[tex]y^{2} = 2x + 1[/tex]
[tex]y^{2} - 1 = 2x[/tex]
[tex]\frac{y^{2} - 1}{2} = x[/tex]
y = x - 1
y + 1 = x
