continuous functions Watch
sup f(x) = 1
inf f(x) = -1
But for all x in [0, 1),
= x |sin(1/(1 - x))|
© Copyright The Student Room 2017 all rights reserved
The Student Room, Get Revising and Marked by Teachers are trading names of The Student Room Group Ltd.
Register Number: 04666380 (England and Wales), VAT No. 806 8067 22 Registered Office: International House, Queens Road, Brighton, BN1 3XE