Use the graph to determine the allowed inputs and possible outputs.
A. Inputs: all real numbers; Outputs: y ? - 4
B. Inputs: x ? - 4; Outputs: all real numbers
C. Inputs: all real numbers; Outputs: all real numbers
D. Inputs: all real numbers; Outputs: y ?- 4
Answer: A
Mathematics
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For the given expression, write two equal expressions with negative signs in different places.
A. - 
and 
B. - 
and - 
C. - - 
and 
D. 
and 
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?
?
A. 
B. 
C. 
D. 
E. 
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