Answer: 3
\(A(3,4) \) reflected over the X-axis is \(B(-3,4)\).
\(B(-3,4)\) reflected over y=-x is \((-y,-x)\) which means that C is \(C(-4,3)\)
If we create an imaginary rectangle, the area of that is 7. Subtract the corners, and we get \(7-\frac{1}{2}-\frac{7}{2}=3\)