1. Write the resulting set of these Cartesian products. a) {a,b,c)(1, 2 {'red, ''black', 'green'} {'sauce,"grass, } (b) 2. What are the domain, codomain, and image of the following functions: (a) g : Z Z+ with f(n) = In| +5 (b) f : RM-1) R with f(n) = 2n/(n + 1) (c) go f (d) f-1