Hello, I do understand domains and ranges in general eg. f(x) = sin x, The Domain is (-infinity , infinity) and the range is [-1,1].

It's just this question I don't understand:

Supposefis a function with domain [-2,28) and range [4,10]. Find the domain and range of the following functions

https://mapleta.adelaide.edu.au/mapl...gphkdghnhi.gif

https://mapleta.adelaide.edu.au/mapl...naeknelimc.gif

Help would be appreciated