Solve the problem.The cost of manufacturing a molded part is related to the quantity produced during a production run. When 100 parts are produced, the cost is $300. When 300 parts are produced, the cost is $1900. What is the average cost per part?
A. $9.00 per part
B. $5.33 per part
C. $8.00 per part
D. $0.13 per part
Answer: C
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Perform the indicated operation(s). Where possible, reduce the answer to lowest terms.
- 
A. 
B. 
C. 
D. 
Solve the problem.The cost of producing t units is C = 3t2 + 7t, and the revenue generated from sales is R = 4t2 + t. Determine the number of units to be sold in order to generate a profit.
A. t > 7 B. t > 8 C. t > 6 D. t > 0
A 30-foot ladder is leaning against a house (see figure). If the base of the ladder is pulled away from the house at a rate of 2 feet per second, the top will move down the wall at a rate of 
ft/sec, where x is the distance between the base of the ladder and the house. Find the limit of r as 
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?
?
A. 
B. 60
C. 0
D. 
E. 30
Write the window setting for the viewing window shown. Use the following format: 
A. 
B. 
C. 
D. 