How do you determine the limit of $(x + 5)/(x-4)$ as n approaches $-4^-$ ?

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Answer 1 · 2016-11-05T19:52:02

As $xrarr-4$ (from either side), the denominator does not go to zero. So substiutute.

$lim_(xrarr-4)(x+5)/(x-4) = ((-4)+5)/((-4)=4) = 1/((-8)) = -1/8$

How do you determine the limit of (x + 5)/(x-4) (x + 5)/(x-4) as n approaches -4^--4^-?