Without using a calculator, determine the value of the trigonometric function or state that the value is undefined.cot (720°)
A. 0
B. -1
C. 1
D. undefined
Answer: D
Mathematics
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Find the domain and the range of the functions or relations from the graph.
A. domain: [2]; range: (-?, ?) B. domain: [2]; range: [2] C. domain: (-?, ?); range: [2] D. domain: (-?, ?); range: (-?, ?)
Mathematics
Simplify the expression. If any variables are present, assume that they are positive.
? 
A. 4
B. 4x
C. x
D. 
Mathematics
Suppose you have the following project digraph. (The numbers in parentheses represent hours.)
Scheduling this project with two processors results in a finishing time shorter than 22 hours using the priority list
A. C, F, E, B, A, D. B. C, F, A, B, D, E. C. C, D, B, E, A, F. D. C, B, A, F, E, D. E. none of these
Mathematics
Find the whole.46% of what number of yards is 69 yards?
A. 0.67 B. 1500 C. 150 D. 67
Mathematics