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Mathematics>Standard Multiple Choice

Read the following SAT test question and then click on a button to select your answer.

 

F(t)=(0.95)^(t/2)

 

The function F(t) gives the percentage, as a decimal, of information Dianna remembered t days after memorizing lines for a play. Assuming she did not work on her lines again, what is the best interpretation of the meaning of the function F in this context?

After 2 days, the exponent of the function will be 2/2=1. Dianna will remember 0.95^1*100 or 95% of the lines.

 


解析:

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