Find dy/dx by implicit differentiation.xy + x = 2
A. - 
B. - 
C. 
D. 
Answer: A
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Provide an appropriate response.Add 
+ 
and reduce answers to lowest terms with improper fractions changed to whole or mixed numbers.
A. 
B. 
C. 
D. 
Solve the problem.For the month ending December 31, MidState Machinery had gross sales of $2,684,000, returns of 
, cost of beginning inventory $566,000, cost of purchases $1,279,000, cost of ending inventory 
, total operating expenses $141,000. Find the net sales and cost of goods sold.
A. net sales: $2,624,000; cost of goods sold: $1,339,000 B. net sales: $2,624,000; cost of goods sold: $141,000 C. net sales: $2,684,000; cost of goods sold: $1,339,000 D. net sales: $2,624,000; cost of goods sold: $1,279,200
Use a half-angle formula to find the exact value of the expression.tan 165°
A. -
+ 2
B. -
- 2
C. 
- 2
D. 
+ 2
Solve the rational inequality. Write the solution set using interval notation; then graph the solution set on a number line.
< 0
A. (-4, 0)
B. (-?, ?)
C. ?
D. (-?, -4)