/ 1 \ lim |- -------- + 4*x| x->1+\ -1 + 6*x /
Limit(-1/(-1 + 6*x) + 4*x, x, 1)
19/5
= 3.8
/ 1 \ lim |- -------- + 4*x| x->1-\ -1 + 6*x /
3.8