The percent P of the U.S. population with Internet access is given by 25P − 34t = 1378 where t is the number of years past 1990.† (a) What percent of the U.S. population had Internet access in 2007? (Round your answer to one decimal place.) P = % (b) In what year will 88% have Internet access?
Unitary Method
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The percent P of the U.S. population with Internet access is given by
where t is the number of years past 1990.†
(b) In what year will 88% have Internet access?
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