What number should be added to complete the square of the expression?x2 + 
x
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Find the total area of the region between the curve and the x-axis.y = x2 - 6x + 9; 2 ? x ? 4
A. 
B. 
C. 
D. 
Mathematics
Solve.
x - 3 ? 4 or 
x - 3 > 18
A. (-?, -2] ? (6, ?) B. [2, 6) C. (-?,?) D. (-?, 2] ? (6, ?)
Mathematics
Find the unknown length in the right triangle. Round to the nearest thousandth, if necessary.
A. 5.8 ft B. 4.338 ft C. 18.82 ft D. 2.408 ft
Mathematics
For problems 9 and 10, identify the location of any holes on the graph of the function.
A. 
B. 
C. 
D. no holes
E. none of these
Mathematics