Answer:
Domain = (-8,∞)
Range = (-∞,6)
Explanation:
Solving Notes:
- Domain is horizontal so it is the width of x
- Range is vertical so it is the height of y
- Points that are filled in (solid black circles) indicate that the number does NOT include the number. In notation, we use ()'s.
- Points that are hollow (white circles) indicate that the number DO include the number. In notation, we use []'s.
- Arrows indicate continuing into infinity
- Use ()'s when using ∞
Domain:
For domain, we are looking for line width. From the graph, it begins at -8 and uses a solid point indicating that -8 is NOT included.
so we know so far: (-8,
The arrow on the right end indicates going into infinity. We use ()'s for infinity so:
Domain = (-8,∞)
Range:
For range, we are looking for line height. From the graph, it goes from infinity (right side of graph) and at the highest point uses a solid point indicating that 6 is NOT included.
Range = (-∞,6)