Limits. Thank You.
short of doing a proof for this question, i'd do something like this (i hope it's valid ):
since and , that is, one is positive and the other is negative. we have that the products are negative and going to
thus
i know that's the answer, i don't know if what i did was 100% mathematically valid though, but it should be
TPH and Krizalid are the ones who are exceptional with limits