Answer: (A) y = -9.16x² +73.04x + 183.3
Explanation:
This is a calculator problem. Insert the data and find the regression line of a quadratic function. I don't have a scientific calculator so I used an online software program.
See the attachment for a snapshot of the results. Notice that A, B, and C are reversed in this program. A scientific calculator will give the complete equation (instead of A, B, and C).