Question

Help please !!!! Can someone check my work if its corrrect. i drew the graph.

Answer 1

Is this a delta epsilon proof?

Answer 2

yeh

Answer 3

@Astrophysics

Answer 4

The 2nd image here looks to be fine. I didn't thoroughly check through it though.

Answer 5

I think the 1st image is fine with the exception of I am not sure whether the < needs to be flipped when you take the tan^-1 of everything. Other than that it looks good.

Answer 6

ooo.