Which system of equations does this graph represent?

Linear graph and parabola. They intersect at negative 3, negative 7 and 2, negative 2

y = x2 − 2
y = −x − 4
 

y = x2 + 2
y = x + 4
 

y = −x2 + 2
y = x − 4
 

y = −x2 − 2
y = x − 4