Question

Pleaseee helppp me question 2 !!!

Answer 1

2 is a function. The domain is 0,1,2,3. The range 0,-1,-2,-3

Answer 2

2.is a function

Domain:(0,1,2,3)

Range: (0,-1,-2,-3）

3. Not a function

4. Is a function

D:(0,1,2,3)

R:(1,2,3,4,)