The linear function graphed below represents the height of a stalk of corn since a farmer began using a new fertilizer. What is the initial value? A graph titled Height of a Stalk of Corn has Number of Days Using New Fertilizer on the x-axis and Height (feet) on the y-axis. Points are at (3, 10), (4, 12), (5, 14), and (6, 16). 0 feet 1 foot 4 feet 6 feet