Question

does this limit exist
lim x->-1 x^2+1/x-1

Answer 1

i find this odd cuz i got -1 and the graph look like this

Answer 2

yes, and equals -1

Answer 3

this really exist?

Answer 4

at -1 everything is ok. The jump is at x=0

Answer 5

we call that essential discontinuity

Answer 6

sry, jump is at x =1

Answer 7

how come is jump at 1
?

Answer 8

becouse of denominator: x-1

Answer 9

http://www.wolframalpha.com/input/?i=%28x%5E2%2B1%29%2F%28x-1%29&lk=4

Answer 10

k i see

Answer 11

thank for the help