Question

find any real numbers for which the rational expression is undefined.
x^2+9x+8
---------
2

Answer 1

look at the denominator
its just 2, so the denominator never equals 0, so there are no real numbers which make the given expression undefined.

Answer 2

the expresion is defined for all reals

Answer 3

Question is about finding real numbers such that given expression becomes zero, well we can,put\[X=\infty\]