This problem contains a function and its graph, where 
. Use the graph to determine, as well as you can,
. Check your conclusion by using the function to determine 
analytically.
?
?
?
A. 3
B. 0
C. 4
D. 1
E. does not exist
Answer: D
Mathematics
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Identify the quadrilateral.
A. Square B. Rhombus C. Parallelogram D. Rectangle
Mathematics
Perform the given operations. Let U = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10} (U represents the universal set).
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics
Solve the rational inequality and graph the solution set on a real number line. Express the solution set in interval notation.
< 0
A. (-?, -3) or (4, ?)
B. (4, ?)
C. (-?, -3)
D. (-3, 4)
Mathematics
Use the Half-angle Formulas to find the exact value of the trigonometric function. cos
A. 
B. 
C. 
D. 
Mathematics