Find the Y-Intercept of the Polynomial Function $$f ( x ) = - x ^ { 2 } + 2 x + 3$$

Find the y-intercept of the polynomial function.
- $$f ( x ) = - x ^ { 2 } + 2 x + 3$$

A) $- 3$
B) $- 1$
C) 0
D) 3