What are the domain and the range of the graph?
The domain is (−∞,∞) and the range is (−∞, −1].
The domain is (−∞, 4] and the range is (−∞,∞).
The domain is (−∞, −1]∪4 and the range is (−∞,∞).
The domain is (−∞,∞) and the range is
