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 500 parts are produced, the cost is $3900. What is the average cost per part?
A. $9.00 per part
B. $7.20 per part
C. $0.11 per part
D. $10.00 per part
Answer: A
Mathematics
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Graph the system of inequalities.3x + y > 63x + y < 1
A. 
B. 
C. 
D. No solution
Mathematics
Divide. If a repeating decimal is obtained, use notation such as 0.
, 0.
, or 0.
.2
A. 2.45
B. 2.4
C. 2.
D. 2.
Mathematics
Describe the end behavior of the function.f(x) = 4x-1 cos 3x
A. 
f(x) = 4; 
f(x) = 4
B. 
f(x) = 0; 
f(x) = 4
C. 
f(x) = -?; 
f(x) = ?
D. 
f(x) = 0; 
f(x) = 0
Mathematics
Solve the problem.The life expectancy of inhabitants of a country can be approximated by the equation y = 0.289x - 364, where x is a year between 1940 and 2006 and y is age in years. Use this mathematical model to approximate life expectancy (to the nearest tenth of a year) in 1974.
A. 534.1 yr B. 566.8 yr C. 206.5 yr D. 270.5 yr
Mathematics