Find the exact value under the given conditions.Given sin u = 
, with u in quadrant I, and cos v = 
, with v in quadrant I. Find cos (u + v).
A. 
B. - 
C. - 
D. 
Answer: B
Mathematics
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Decide whether the argument is an example of inductive or deductive reasoning.All U.S. Presidents have come from the original 48 states. No person from Alaska can be President.
A. Inductive B. Deductive
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Determine whether the statement is true or false. ? ? {France, Germany, Switzerland}
A. True B. False
Mathematics
Solve the problem.A certain country's population P(t), in millions, t years after 1980 can be approximated by P(t) = 5.495(1.017)t .In what year will the country's population reach 5 million?
A. About 1984 B. About 1964 C. About 1974 D. About 1979
Mathematics
Find functions f and g so that f ? g = H.H(x) = ?2x + 8?
A.
| f(x) = ?x?; | g(x) = 2x + 8 |
B.
| f(x) = ?-x?; | g(x) = 2x - 8 |
C.
| f(x) = x; | g(x) = 2x + 8 |
D.
| f(x) = -?x?; | g(x) = 2x + 8 |
Mathematics