Is the following correspondence a function?DomainRange 
A. No
B. Yes
Answer: A
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Using the Divergence Theorem, find the outward flux of F across the boundary of the region D.F = zi + xyj + zyk; D: the solid cube cut by the coordinate planes and the planes 
y = 1, and z = 1
A. 1
B. 
C. 2
D. 
Graph the system of inequalities and the points of intersection of the graphs. Label the points of intersection with their coordinates.y ? x2 - 2y + 2x < 13 
A. 
B. 
C. 
D. 
Factor.49 - 42x + 5x2
A. (x - 7)(x - 7) B. (5x - 7)(x - 7) C. (5x + 7)(x + 7) D. (5x - 42)(x - 7)
State the linear programming problem in mathematical terms, identifying the objective function and the constraints.A breed of cattle needs at least 10 protein and 8 fat units per day. Feed type I provides 5 protein and 3 fat units at $5/bag. Feed type II provides 4 protein and 4 fat units at $3/bag. Which mixture fills the needs at minimum cost?
A. Minimize 5x + 3y Subject to: 5x + 4y ? 8 3x + 4y ? 10 x, y ? 0. B. Minimize 5x + 3y Subject to: 5x + 4y ? 8 3x + 4y ? 10 x, y ? 0. C. Minimize 5x + 3y Subject to: 5x + 4y ? 10 3x + 4y ? 8 x, y ? 0. D. Minimize 3x + 5y Subject to: 5x + 3y ? 10 4x + 4y ? 8 x, y ? 0.