zareen as 24 minutes to work on her homework , and each problem is taking her 2/3 of a minute ,on average, to complete which expression can be used to determine the number of math problems she will be able to complete in the time she has?

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?