A linear equation is drawn as a straight line on a set of axes. To draw the graph we need coordinates. We generate these coordinates by substituting values into the linear equation. STEP 1 - Draw a ...

Applicable Analysis and Discrete Mathematics, Vol. 7, No. 2 (October 2013), pp. 262-274 (13 pages) A map f : V → {0, 1, 2} is a Roman dominating function for G if for every vertex v with f(v) = 0, ...