Use the given information to answer the question.The average number of acres on a U.S. farm can be modeled by A(t) = -0.1283t2 + 11.0988t + 207.1116, where A(t) represents the number of acres, and t represents the number of years since 1950. Use this model to find the average number of acres on a U.S farm in 1990.
A. -485,787.11 acres
B. 856.34 acres
C. 640.8 acres
D. 445.78 acres
Answer: D
Mathematics
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