I need help! Please help me...

If F(x)=1/4.[(x+2)^2 -5], and F^-1(x) is the inverse of F(x).

(The F(x) is "x+2 all squared minus 5 all outside a quarter" Forgive my notation)

If A (is Greater than or equal to) -2.

What is F^-1(F(A))

(Reads the inverse function of the function of A)