Answer:
Domain: (-∞ , ∞)
Range: [4 , -∞)
yes, it's a function. It pass the vertical line test. (one input vs one output)
Step-by-step explanation:
Domain: (-∞ , ∞)
Range: [4 , -∞)
yes, it's a function. It pass the vertical line test. (one input vs one output)
