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December 19, 2014

December 19, 2014

Posted by **selina** on Tuesday, May 11, 2010 at 5:01pm.

s(t)=78-15log(t+1)

(a)find the students average score when they first took the final exam.

(b)what would be the expected average score be on a retest after 4 months.

- algebra -
**selina**, Tuesday, May 11, 2010 at 6:34pmI know the answers I just am not sure how to work the problem to get them.

(a)78

(b)67.5

Please help me with the working of these problems.

Thank you

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