Check whether this set and operation form a group.
?
?
A. no
B. yes
C. in definably
Answer: A
Mathematics
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Use the horizontal line test to determine whether the function is one-to-one.
A. Yes B. No
Mathematics
Provide an appropriate response.If a relation exists between x and y, then we say that x 
y or that y 
x, and we write 
A. corresponds to; depends on B. depends on; corresponds to C. corresponds to; corresponds to D. depends on; depends on
Mathematics
Graph the solution of the system of inequalities.  figure 1.png)
What will be an ideal response?
Mathematics
Simplify the expression.(-4)-2
A. 
B. - 
C. -16
D. 16
Mathematics