Express each of the following statements in symbols, using <, >, ?, or ?.x is less than or equal to 7.
A. x ? 7
B. x ? 7
C. x < 7
D. 7 ? x
Answer: B
Mathematics
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Solve the problem.Suppose that c(x) = 5x3 - 35x2 + 5,547x is the cost of manufacturing x items. Find a production level that will minimize the average cost of making x items.
A. -51 items B. There is not a production level that will minimize average cost. C. 65 items D. 5,547 items
Mathematics
Solve the problem by integration.Find the volume generated by rotating the area bounded by 
and 
about the 
A. 
? ln 
B. 
? ln 
C. 
? ln 
D. 
? ln 
Mathematics
Find the exact value of the expression in degrees without using a calculator or table.cos-1 
A. 45° B. 315° C. 330° D. 30°
Mathematics
Round to the indicated place value.Round to the nearest one: 475.36
A. 475 B. 476 C. 475.40
Mathematics