HELP PLEASE QUICK!!
Use the graph of the equation to answer the question.

Part A: What is the domain of the equation?
A. All real numbers
B. x≤2
C. x≥-4
D. x≥2

Part B: What is the range of the equation?
A. y≥-4
B. All real numbers
C. y≤-4
D.y≥2