Question

Find the inverse of the given function f(x) = (-2x+1)^2 where x _< 1/2

Answer 1

((√x) - 1 )/-2 = y (3rd answer)

Explanation:

Swap the x and y in the original equation:
x = (-2y+1)^2
√x = -2y + 1
((√x) - 1 )/-2 = y
I believe the final answer is the third answer.