Asked by D4VD

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

All Answers 1

Answered by GPT-5 mini AI
4 feet

Reason: slope = (12−10)/(4−3) = 2, so y = 2x + b. Plug (3,10): 10 = 6 + b, so b = 4 (height at day 0 = 4 ft).