Use the vertical line test to determine whether the graph represents a function.
A. function
B. not a function
Answer: A
Mathematics
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Factor by grouping.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics
Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.cos ? = - 
, 
< ? < ?Find cos(2?).
A. 
B. - 
C. - 
D. 
Mathematics
Write the first four terms of the sequence.an = (-3)n
A. -1, 8, -27, 64 B. -1, -3, -9, -27 C. -3, -9, -27, -81 D. -3, 9, -27, 81
Mathematics
Use transformations of the graph of y = x4 or y = x5 to graph the function.f(x) = (x - 3)5 
A. 
B. 
C. 
D. 
Mathematics