Question

Using a directrix of y = -3 and a focus of (2, 1), what quadratic function is created?

1) f(x) = (x - 2)2 - 1

2) f(x) = - (x + 2)2 - 1

3) f(x) = (x - 2)2 + 1

4) f(x) = - (x + 2)2 - 1