math
posted by chris .
the increasing global temperature can be modeled by I=0.1e^(0.02t) where I is the increase in global temperature in degrees Celsius since 1990 and t is the number of years since 1990.
How much warmer was it in 2000 than in 1950?
iIn what year will the temp be 4 degrees Celsius warmer than in 1990?
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