(a) Here's the graph : https://www.desmos.com/calculator/6ur4exjxcr
(b) The domain fo the first function is (-inf, 1)
The domain for the second function is [ 1, inf )
(c) The range of the first function is [ 0 , inf )
The range of the second function is [ -3, inf )
(d) Not contunious....as the graph shows