Without graphing the function, determine its amplitude or period as requested.y = 
cos (- 
x)Find the amplitude.
A. 
B. 
C. 
D. 
Answer: C
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?What is not the reason that the Real Number System is considered complete? ?
A. Because there are no holes or spaces in the Real Number System number line.? B. ?Because every decimal number, whether terminating or non-terminating, is represented on the number line by only one point. C. ?Every point on the Real Number System number line is represents only one number. D. ?There are an infinite number of points in the Real Number System that correspond to an infinite number of points on the number line. E. ?All of the above. F. ?None of the above.
Determine whether the given function satisfies Laplace's equation.f(x, y) = cos (x) sin (-y)
A. Yes B. No
Determine the number of spanning trees in the graph.
A. 6 B. 7 C. 9 D. 10
Classify the angle.B
A. Acute B. Obtuse C. Right D. Straight