Question

Please help me now Solve this questions now in mathematics​

Answer 1

part 1-
1. domain= (-3,3) range= (1/3,infinity)
2. domain = (-infinity, 0) U (0, infinity) range= (-infinity, -2) U (2, infinity)
3. (the first picture)

part 2-
1. (the second picture)
2. (the third picture)