Answer:
]-∞ , - 2[U] - 2,+∞[ answer : C
Step-by-step explanation:
hello :
R(x) = 3x/ x+2
R exist : x+2 ≠ 0 means : x ≠ -2
so the domain is : ]-∞ , - 2[U] - 2,+∞[ answer : C
