Solve. The polynomial -0.3t2 + 12t describes the average number of digits that participants in a memorization experiment were able to recall after t minutes. Find the average number of digits recalled after 9 minutes. Round your answer to the nearest digit.
A. 64 digits
B. 104 digits
C. 124 digits
D. 84 digits
Answer: D
Mathematics
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A. 
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