Use the relation's graph to determine its domain and range.
- 
= 1 
A. Domain: (-?, ?)
Range: (-?, -2] or [2, ?)
B. Domain: (-?, -2] and [2, ?)
Range: (-?, ?)
C. Domain: (-?, ?)
Range: (-?, -2] and [2, ?)
D. Domain: (-?, -2] or [2, ?)
Range: (-?, ?)
Answer: A
Mathematics
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Solve the equation 
. Restrict your attention to the horizontal span of 0 to 5. Round your answer to two decimal places if necessary.
?
A. 1.41 B. 2.73 C. 0.19 D. 4.46
Mathematics
Perform the indicated operation. Assume that all variables are nonnegative.
+ 3
+ 3
A. 6x
B. 19x
C. 19x
D. 6x
Mathematics
Solve for the indicated variable.S = 2?rh + 2?r2 for h
A. h = 
B. h = 
- 1
C. h = 2?(S - r)
D. h = S - r
Mathematics
Simplify the expression by using the order of operations.14 ? 
- 15 ? 
A. 399 B. 1029 C. 231 D. 21
Mathematics