I think u multiply and then divide by one of its multiples
1
2
3
6
9
18
27
54
18 is the greatest
It is a function because each x values have ONE y value
The northern hemisphere is experiencing winter because the earth's axis is tilted so that the northern hemisphere doesn't receive direct sunlight. The changing of the seasons is determined by whether a place is experiencing direct sunlight or indirect sunlight due to the earth's tilt.
