Step-by-step explanation:
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I'll go ahead and assume you meant to say that <em>S</em> is the surface given by

This immediately gives us a parameterization for the surface,

The upward-pointing normal vector to this surface is then

Then the flux of
across <em>S</em> is

Answer:
36
Step-by-step explanation:
Plug in -7 as m and 2 as n into the expression:
4 | m - n |
4 | -7 -2 |
Solve:
4 | -9 |
4(9)
= 36
Answer:
63 units
Step-by-step explanation: