What is the domain of this function? (assume there are arrows at the ends of the graph)

The answer has the form

Where A = and B =
What is the range of this function?

The answer has the form

Where A = and B =
On what interval is the function increasing?

The answer has the form

Where A = and B =


On what interval is f(x) <= 0?

The answer has the form

Where A = and B =