The functions ( f(x) = x³ - x² - 3x + 4 ) and ( g(x) = 2x - 4 ) are given.
Part a: What type of functions are ( f(x) ) and ( g(x) )? Justify your answer.
Part b: Find the domain and range for ( f(x) ) and ( g(x) ), then compare the domains and compare the ranges of the functions.