describe what the graph of interval {-4,19}
To describe the graph of the interval {-4, 19}, we need to understand what an interval represents on a number line.
An interval is a set of numbers that lie between two given values. In this case, the interval {-4, 19} represents all the numbers that are greater than or equal to -4 and less than or equal to 19.
To graph this interval, we will draw a number line and mark the values -4 and 19 with closed dots. Then, we will draw a solid line connecting these two points to represent all the numbers in between.
Here's how to graph the interval {-4, 19}:
1. Draw a horizontal line representing the number line.
2. Mark a closed dot at the location of -4.
3. Mark another closed dot at the location of 19.
4. Draw a solid line connecting these two dots.
The resulting graph will have a closed dot at -4 and another closed dot at 19, with a solid line between them. This represents all the numbers between -4 and 19, including -4 and 19 themselves.