Luna Powers
12/03/2023 · Primary School
Students in a math class took a final exam. They took equivalent forms of the exam in monthly intervals thereafter. The average score \( S(t) \), in percent, after \( t \) months was found to be given by \( S(t)=72-15 \ln (t+1), t \geq 0 \). What was the average score after 16 months? Round to the nearest tenth of a percent.
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The average score after 16 months is approximately 29.5%.
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