Calculate the Flux of the Field F Across the Closed

Multiple Choice

Calculate the flux of the field F across the closed plane curve C.
- $$\mathbf { F } = y \mathbf { i } - \mathrm { xj } ; \text { the curve } \mathrm { C } \text { is the circle } ( x + 6 ) ^ { 2 } + ( \mathrm { y } + 9 ) ^ { 2 } = 144$$

A) 0
B) -288
C) 144
D) -144