Solve the problem.The cost to make a product is M(x,y) = 12x2 + 4y2 - 12xy + 50, where x is material cost, y is labor cost. The company spends $13 on materials and $7 on labor. Use the differential to estimate the change in cost if the company spends $17 on materials and $5 on labor.
A. -$400
B. -$1824
C. $1824
D. $1112
Answer: D
Mathematics
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÷ 
A. 
B. 
C. 
D. 
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Refer to the figure and provide an appropriate name for the indicated angles. 
?3 and ?7
A. Complementary angles B. Alternate interior angles C. Supplementary angles D. Alternate exterior angles
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Find the intercepts for the equation.3x + y = 9
A. (3, 0); (0, 9) B. (4, 0); (0, 0) C. (9, 0); (0, 4) D. (0, 0); (0, -3)
Mathematics
Solve the inequality. Graph the results.x - 5 < 4
A. x ? 9
B. x < 9 
C. x ? 9 
D. x > 9 
Mathematics