Stretch and shrink the graph of a function. To stretch or shrink the graph in the y direction, multiply or divide the output by a constant. 2f (x) is stretched in the y direction by a factor of 2, and f (x) is shrunk in the y direction by a factor of 2 (or stretched by a factor of ).
Days in boston=x days in colorado=1.4x boston+colorado=2.4x 475=2.4x 475/2.4=2.4x/2.4 198=x 198*1.4=277 days in boston=198 days in colorado=277 198+277=475
