Please see the attached file for full problem description.
ALL STEPS MUST BE SHOWN
PLEASE PROVIDE AN EXPLANATION IN COMPLETE SENTENCES
Here is the problem
Given and prove that there is a unique y>0 such that That is, exists and is unique
Hint: Consider y = the least upper bound of
Then use exercise 2 to show that can be neither less than x nor greater than x.
This is a proof regarding inequalities and subsets.