Given the following linear function sketch the graph of the function and find the domain and range. f(x) = 2/7x+2 can someone please help me figure out how to graph this ASAP with a picture of the graphed equation

Afarmer has a large field that is x feet in length. he wants to fence in a rectangular section in the middle of the field , leaving a length of 100 feet of open field behind each end of the fenced rectangle.he also wants the width of the fenced-in space to be 100 feet less than its length. find the expressions to represent the length and width of the fenced section of the field