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.​

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sup

step-by-step explanation:

hello,

b) 62.47% of the students are between 14 and 18 years old.

step-by-step explanation:

mean = 15 and standard deviation = 2

student between 14 to 18

formula used z-score

for age 14 , z score

using z-table , p(z> -0.5)=0.3085

for age 18 , z score

using z-table , p(z< 1.5)=0.9332

p(-0.5< z< 1.5)=0.9332-0.3085 = 0.6247

thus, 62.47% of the students are between 14 and 18 years old.

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