Give the appropriate ?-? definition of the statement.f(n) = M

Question

A. For each given number ? > 0, there is a corresponding ? > 0, such that for all n, 
0 < n - w < ? ?  < ?.
B. For each given number ? > 0, there is a corresponding ? > 0, such that for all n, 
0 <  < ? ?  < ?.
C. For each given number ? > 0, there is a corresponding ? > 0, such that for all n, 
0 < n - w < ? ?  > ?.
D. For each given number ? > 0, there is a corresponding ? > 0, such that for all n, 
0 < w - n < ? ?  < ?.

Answer 1

Answer: A