?Determine whether the set of vectors 
in R?3 is orthogonal (but not orthonormal), orthonormal, or neither.
A. ?orthonormal
B. ?orthogonal
C. ?neither
Answer: C
Mathematics
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Completely factor the expression.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics
Find the area bounded by the given curves.y = 2x - x2, y = 2x - 4
A. 
B. 
C. 
D. 
Mathematics
Use the vertical line test to determine whether or not the graph is a graph of a function.
A. function B. not a function
Mathematics
Evaluate the expression.Three squared plus nine
A. 84 B. 18 C. 78 D. 9
Mathematics