Which statement(s) verify that and are inverse?

A.
B.
C.
D.
E.


Answer: D

Mathematics

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Solve the problem.Which score has the better relative position: a score of 46 on a test for which the mean is 42 and the standard deviation is 8, a score of 3.3 on a test for which the mean is 2.3 and the standard deviation is 0.7 or a score of 417 on a test for which the mean is 351 and the standard deviation is 60?

A. A score of 417 B. A score of 46 C. The scores have the same relative position. D. A score of 3.3

Mathematics

Find the derivative of the given function.y = 1.2 cos-1 3t

A. - 
B.
C.
D. - 

Mathematics

Find the indicated premium. Round to the nearest cent.  Find the quarterly premium.Face Value: $40,000Age of Insured: 30Sex of Insured: FType of Policy: Whole life

A. $58.86 B. $226.40 C. $202.40 D. $52.62

Mathematics

The following question refers to a country with six states. There are 250 seats in the legislature, and the populations of the states are given in the table below. Find each state's apportionment under Jefferson's method.

A. State A: 29; State B: 136; State C: 11; State D: 42; State E: 13; State F: 19 B. State A: 29; State B: 135; State C: 11; State D: 41; State E: 14; State F: 20 C. State A: 29; State B: 134; State C: 11; State D: 42; State E: 14; State F: 20 D. State A: 29; State B: 133; State C: 12; State D: 42; State E: 14; State F: 20 E. none of these

Mathematics