Find the interval(s) for b such that the following equation has at least one real solution and write a conjecture about the interval(s) based on the values of the coefficients
?
.
?
A. 
If 
and 
, 
or 
B.
If 
and 
, 
or 
C.
If 
and 
, 
or 
D.
If 
and 
, 
or 
E.
If 
and 
, 
or 
Answer: A
Mathematics
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