SOLUTION: Why must we always be mindful of the final value of the denominator in a rational expression? For example, consider the rational expression 3x/(x2 – 16). What values in the denomin
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Question 276063: Why must we always be mindful of the final value of the denominator in a rational expression? For example, consider the rational expression 3x/(x2 – 16). What values in the denominator must we be mindful of? Answer by josmiceli(19441) (Show Source):
You can put this solution on YOUR website!
The denominator factors to
If is either or ,
the denominator is zero, and that is not allowed
because the expression becomes infinity
