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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Determine if the given polar coordinates represent the same point.(10, ?/4), (-10, ?/4)
A. Yes B. No
Mathematics
Solve the equation.4x-2 - 5x-1 + 1 = 0
A. 
B. 
C. {-1, -4}
D. {1, 4}
Mathematics
Find the area under the curve over the indicated interval.
Mathematics
Find the solution set of the linear system. Identify inconsistent systems and dependent equations. For dependent equations, write your answer as an ordered triple in terms of z.
A. dependent; 
B. inconsistent
C. dependent; 
D. dependent; 
Mathematics