Below Is Given the Plot of a Vector Field $\mathbf { F }$

Short Answer

Below is given the plot of a vector field $\mathbf { F }$ in the $x y$ -plane. (The $z$ -component of $\mathbf { F }$ is 0 .) By studying the plot, determine whether $\operatorname { div } \mathbf { F }$ is positive, negative, or zero.