Hey, first post here and I just started this calculus I class.

Here's the question:

f(x) = 2 - (1/x)

Find Delta such that if 0 < |x - 1| < Delta then |f(x) - 1| < 0.1

Here's what I have so far:

|f(x) - 1|

= |2 - (1/x) - 1|

= |1 - (1/x)| (my book shows |f(x) - 1| = |(1/x) - 1|)