/ 5 7 \ lim \-4 - 2*x + 3*x + 11*x/ x->-1+
Limit(-4 - 2*x^5 + 3*x^7 + 11*x, x, -1)
-16
= -16
/ 5 7 \ lim \-4 - 2*x + 3*x + 11*x/ x->-1-
-16.0