Environmental Research Foundation . . P.O. Box 5036, Annapolis, MD 21403 . .
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To subscribe, E-mail the words . . Most things that affect the environment are growing exponentially. For example, the consumer price index grew from 133.1 in 1973 to 246. 8 in 1980. To find p, first we calculate k. With this number in hand, we can use rules 1 through 4 to learn its other growth characteristics.