Answer:
A. x > -3
Step-by-step explanation:
[tex]\text{We know}\\\\\log_ab\ \text{is exist for}\ a>0\ \wedge\ a\neq1\ \wedge\ b>0.\\\\\text{Therefore the domain of}\ f(x)=\log_2(x+3)+2\ \text{is}\\\\x+3>0\qquad\text{subtract 3 from both sides}\\\\x>-3[/tex]
