00:01
Right, for number 79, we have, again, being asked to find the domain and arrange for this relation, and to decide whether or not it is a function.
00:10
The domain goes from negative infinity to positive infinity, negative infinity, comma, infinity.
00:17
And we'll use parentheses because you can't include infinity or negative infinity.
00:23
It's not an actual value.
00:25
But we do go through all of the x values.
00:29
For the range, we have the y values all the way up to infinity, but there is a stopping point going below.
00:38
It's right here at negative 1.
00:41
And negative 1 is included in the graphs...