Without graphing the function, determine its amplitude or period as requested.y = cos 3xFind the period.

A. 3
B. 1
C. 2?
D.

Answer: D

Mathematics

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Solve the problem.Suppose you borrow $5400 for a term of eight years at simple interest and 3.78% APR. How much interest must you pay on the loan?

A. $163.30 B. $204.13 C. $7032.960 D. $5604.12 E. $1632.96

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Mathematics

Solve:

j18 ÄÄÄ j6 a. j9 b. j/3 c. j3 d. -3 e. 3

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Mathematics

Use the given matrices to compute the given expression.If A =  and B = , find -2A + 4B.

A.

B.

C.

D.

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Mathematics

Solve the equation.9x - 8 + 5x + 3 = 8x + 6x - 8

A. 0 B. 160 C. all real numbers D. no solution

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Mathematics