/ ___ 3 \ lim |\/ x - ------| x->9+\ -9 + x/
Limit(sqrt(x) - 3/(-9 + x), x, 9)
-oo
= -449.998896450211
/ ___ 3 \ lim |\/ x - ------| x->9-\ -9 + x/
oo
= 455.998896044121
-449.998896450211