Dan is tiling his rectangular, concrete porch with square, porcelain tiles. The length of the porch is represented by the function , where x is the side length, in feet, of each tile. The width of the porch is represented by the function . Which function describes the area, , of the porch?

Juan earns $11 per hour and works at most 30 hours per week. identify the independent and dependent quantity in the situation, and find reasonable domain and range values. amount of money earned; hours worked; 0 to 30; $0 to $330 hours worked; amount of money earned; $0 to $330; 0 to 30 amount of money earned; hours worked; $0 to $330; 0 to 30 hours worked; amount of money earned; 0 to 30; $0 to $330