Solve the problem.The table shows the amount of yeast cells (measured as biomass) growing over a 7-hour period in a nutrient. (a) Find a regression quadratic for the data. (b) Use the regression quadratic to predict the biomass of yeast in the nutrient after 10 hours.
A. (a) y = 5.9631x2 - 7.1512x + 13.925
(b) 538.723
B. (a) y = 5.7661x2 - 8.1557x + 13.284
(b) 508.337
C. (a) y = 4.5432x2 + 6.8417x + 19.925
(b) 542.662
D. (a) y = 5.4215x2 - 7.1512x + 15.768
(b) 486.406
Answer: A
Mathematics
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