/ -x\ lim \-4 + 2 / x->-2+
Limit(-4 + 2^(-x), x, -2)
0
= -3.30278966037765e-31
/ -x\ lim \-4 + 2 / x->-2-
= -3.19012032558374e-33
-3.30278966037765e-31