A pilot is flying from Dullsville to Middale to Pleasantville. With reference to an orgin, Dullsville is located at (2,4), Middale at (8,12), and Pleasantville at (20,3), all numbers being in 100-mile units.

1.what effect does replacing x with x−4 have on the graph for the function f(x) ? f(x)=|x−6|+2 the graph is shifted 4 units up. the graph is shifted 4 units down. the graph is shifted 4 units left. the graph is shifted 4 units right. 2.what are the coordinates of the hole in the graph of the function f(x) ? f(x)=x^2+3x−28/x+7 3.which graph represents the function?