In graphical linear programming to maximize profit, the objective function is: i. a family of parallel lines. ii. a family of isoprofit lines. iii. interpolated. iv. linear. i only ii only iii and iv only i, ii, and iv only i, ii, iii, and iv

Each time you save a document, you will need to type in the file type in which it should be saved you can select the save button to save it with the same file name if it has been previously saved you will need to select the location to save the file you will need to use the save as dialog box