Find the flux of the vector field F = x i + e8x j + z k through the surface S given by that portion of the plane 8x + y + 5z = 9 in the first octant, oriented upward.

Problem #5: Find the flux of the vector field F = x i + e8x j + z k through the surface S given by that portion of the plane 8x + y + 5z = 9 in the first octant, oriented upward.
Problem #5:
Enter your answer symbolically, as in these examples