Question

35 points please answer pls pls pls

28. A population of a city is 422,000 and increases by 12% each year. Use an exponential function to find the population of the city after 8 years,

29. A car bought for $13,000 depreciates at 15% per year. Use an exponential function to find the value of the car after 5 years.


30. Scott purchased a painting in 2006 for $1,250. Since then, its value has increased by 6% each year. Use an exponential function find the value of the painting in 2017.​

Answer 1

Explanation:

28. a=422000 (1+12%)^8

=1044856.46

29 a=13000 (1+15%)^-5

=6463.29

30 a=1250 (1+8%)^11

=2914.548

using compound interest formula