Question

what are inverses and how do they relate to solving?

Answer 1

http://www.mathsisfun.com/sets/function-inverse.html

Answer 2

Solving what?

Answer 3

inverses are useful in that if you know the end result, you can determine what caused it.

Answer 4

if a function is one to one ... then the output and the input are related such that only one particular input can produce that output.

an inverse is the reversing of that process whereby we can determine the input by knowing the output