Match the graph to one of the listed functions. 
A. f(x) = -x2 + 8
B. f(x) = -x2 + 8x
C. f(x) = x2 + 8x
D. f(x) = x2 + 8
Answer: A
Mathematics
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Provide an appropriate response. Find the distance between the points (5, -1) and (9, 2).
A. 7 B. 14.036 C. 5 D. 4.123
Mathematics
Perform the indicated operation. Write the answer in the form a + bi.
A. - 
B. 
+ 
i
C. 1 + 
i
D. -1 + 
i
Mathematics
Find the intersection of the given intervals.(5, ?) ? [15, ?)
A. (-?, ?) B. (5, 15] C. [15, ?) D. (5, ?)
Mathematics
What is the slope of any line perpendicular to the line through A(-2, 7) and B(-10, -3)?
(a) 4/5. (b) 5/4. (c) -5/4. (d) -4/5. (e) None of these is correct.
Mathematics