Question

Check my answer on removable discontinuities?

Answer 1

I think B or D but im not sure

Answer 2

why would you think that?

Answer 3

\[\frac{x^3-1}{x-1}=\frac{(x-1)(x^2+x+1)}{x-1}=x^2+x+1\]

Answer 4

@zarkon so my answer would be A?

Answer 5

yes

Answer 6

@Zarkon thank you. could you help me with this too? http://openstudy.com/study#/updates/54b9fc20e4b08d950c3c3f46