/ 2 11*x\ lim |-36 + x - ----| x->4+\ 9 /
Limit(-36 + x^2 - 11*x/9, x, 4)
-224/9
= -24.8888888888889
/ 2 11*x\ lim |-36 + x - ----| x->4-\ 9 /
-24.8888888888889