Let $\mathbf { F } ( x , y , z ) = 4 x \mathbf { i } - 3 y \mathbf { j } + 5 \mathbf { k }$

Multiple Choice

Let $\mathbf { F } ( x , y , z ) = 4 x \mathbf { i } - 3 y \mathbf { j } + 5 \mathbf { k }$ and S is $x ^ { 2 } + y ^ { 2 } = z$ such that $x ^ { 2 } + y ^ { 2 } \leq 4$ Then the flux of $\text { F }$ through S is

A) 24?
B) 20?
C) 18?
D) 16?
E) 12?