This frequency table gives the distribution of ages of 100 people in a small town.
How many people are:30 years of age or older
A. 58
B. 64
C. 22
D. 42
Answer: B
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Solve.Using the first three terms of the appropriate Taylor expansion, find the area bounded by the curve 
, 
and 
A. 2.8078 B. 5.7635 C. 1.0329 D. 0.3800
Use the even-odd identities to find the exact value of the expression. cos (-?)
A. undefined B. 0 C. 1 D. -1
Solve the problem.A city government study suggested the number of homeless people dropped by 405 over the last 3 years. Assuming that that decrease was the same for each of the 3 years of the study, write the yearly decrease as a quotient of integers and find the yearly decrease.
A. -405 ÷ 3 = -135; 135 fewer homeless B. 405 ? 3 = 1333; 1333 fewer homeless C. 405 ? 3 = 1370; 1370 fewer homeless D. -405 ÷ 3 = -138; 138 fewer homeless
Add or subtract as indicated. Simplify, if necessary.
- 
A. 
B. 
C. 
D. 