y-intercept?

slope?
Domain?
Range?
Is this graph increasing, decreasing, or both?
x-intercept?

(4,0) (0,4) (-2,0) (0,-2) ,+2, -4 input values, Increasing, Decreasing, Both increasing and Decreasing, output values

It is not clear what the graph being referred to is. Please provide more information or a visual representation of the graph.