Question

Find a number δ such that if |x − 1| < δ, then |4x − 4| < ε, where ε = 0.1.
δ ≤

Repeat and determine δ with ε = 0.01.
δ ≤

Answer 1

Notice: |4x-4| = 4*|x-1|.

That should be a big enough hint.

Answer 2

is it 0.025 ans 0.0025

Answer 3

Yes, good job.

Answer 4

thank you ;)