Find the asymptotes of the hyperbola.
- 
= 1
A. y + 2 = 
(x + 4) and y + 2 = - 
(x + 4)
B. y + 4 = 
(x + 2) and y + 4 = - 
(x + 2)
C. y = 
(x + 2) and y = - 
(x + 2)
D. y + 4 = 
(x + 2) and y + 4 = - 
(x + 2)
Answer: B
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Write a linear inequality for the situation described.Jake needs at least $1100 to buy a computer. He earns $8 per hour at Job A and $7 per hour at Job B. Jake buys a computer with pay received for x hours at Job A and y hours at Job B.
A. 8x + 7y ? 0 B. 8x + 7y ? 1100 C. 8x + 7y = 1100 D. 8x + 7y ? 1100
Determine whether the graph of the equation is a circle or an ellipse.
+ 
= 1
A. Ellipse B. Circle
Multiply. Write the answer in lowest terms.
? 
A. 
B. 
C. 
D. 
Solve the problem.Jane Hightone sells CDs for $8.25 each. Her initial cost to set up the business was $9100, and each CD costs her $3.25. Express the revenue R as a function of x, where x represents the number of CDs sold.
A. R(x) = 3.25x B. R(x) = 3.25x + 9100 C. R(x) = 11.5x D. R(x) = 8.25x