Let A = {x∈R:x ≥ -1} and B = {x ∈ R : x ≥ -3}, and let f:A→B be given by f(x) = x^2 + 2x - 2.

Determine whether f is bijective. Does f has an inverse? Justify your answer.

So far i have

(-1)^2 + 2(-1) - 2

1 -2 -2 = -3

Domain

x ≥ -1 [-1,∞)

Range

[-3,∞)

not sure how to prove the rest