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Posted by **Betty** on Wednesday, February 1, 2012 at 12:24am.

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a) What was the average score when they initially took the test, t = 0? Round your answer to a whole percent, if necessary.

S(t)= 68 - 20 log (t+1), t > 0

- College Algebra -
**Steve**, Wednesday, February 1, 2012 at 5:06pmwhat's the problem? Just plug in t=0:

S(0) = 68-20log(1) = 68 - 20(0) = 68

Although, as written, S(0) is not defined, since it is only for t>0, not t=0.

Looks like the scores keep going down and down. Is the problem written correctly?

- College Algebra -
**mike**, Thursday, March 8, 2012 at 3:39pmWHAT WOULD THE SCORE BE AFTER 4 MONTHS

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