Someone please help i have mo idea hwo to dk this

Taking algebra two apex courses and need with these questions

What numbers are included in the set of integers? what numbers are not included?

Graph g(x)=2cosx . use 3.14 for π . use the sine tool to graph the function. graph the function by plotting two points. the first point must be on the midline and closest to the origin. the second point must be a maximum or minimum value on the graph closest to the first point.