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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Graph the parabola or ellipse. Include the directrix that corresponds to the focus at the origin.r = 
A. 
B. 
C. 
D. 
Mathematics
Find all replacements (less than the modulus) for the question mark that make the statement true.6 ? ? ? 8 (mod 10)
A. 3 B. 4, 8 C. 1, 9 D. 3, 8
Mathematics
In the diagram below, the sum of the numbers in any 2 small circles is the number in the large circle between them. Complete the diagram so that the same pattern holds.
A. 
B. 
C. 
Mathematics
Perform the indicated operation
Mathematics