14) The Table shows years and percent of U.S. roads and streets that were paved.
a) Find the log equatioin which models these data. Use x=o in 1950
b) What % is perdicted for 2015?
c) What year is predicted for a A % of 70?
Year % Year %
1960 34.7 1990 58.4
1965 39.7 1995 60.4
1970 44.7 2000 63.4
1975 45.3 2002 64.8
1980 53.7 2004 64.5
1985 54.7 2006 65.2
1990 58.4 2008 67.4
15) $8,500 is invested at 6.25% find the accumulated amount at the end of 8 years. If interest is compounded a) Weekly b) Continuously c) How long will it take to acummlate $11,00 if interest is compounded monthly?
16) The slaes decay for a product after an adverstising campagian is given by S= 22,00 e(kt to the power) if sales decay to half the original amount in 5 months, how long will it take to decay to three quarters of the original amount?
This question was answered on: May 23, 2022
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