Solve and, when appropriate, round the answer to the nearest tenth.A manufacturer's cost is given by C = 400 
+ 200, where C is the cost and n is the number of parts produced. How many parts are produced when the cost is $7400?
A. 7200
B. 46,656
C. 5832
D. 324
Answer: C
Mathematics
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Find the first term a1 and the common difference d of the arithmetic sequence.4, 12, 20, 28, 36, . . .
A. a1 = 4, d = 4 B. a1 = 8, d = 4 C. a1 = 8, d = -8 D. a1 = 4, d = 8
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Write the following proportion.7 acres is to 5.2 acres as 10.5 acres is to 7.8 acres.
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Mathematics
Use the relation's graph to determine its domain and range.
- 
= 1 
A. Domain: (-?, -2] and [2, ?) Range: (-?, ?) B. Domain: (-?, ?) Range: (-?, ?) C. Domain: (-?, ?) Range: (-?, -2) or (2, ?) D. Domain: (-?, -2] or [2, ?) Range: (-?, ?)
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Graph the linear equation.y + 3 = 0
A. 
B. 
C. 
D. 
Mathematics