The population in the town of Huntersville is presently 38,300. The town grows at an annual rate of 1.2%. Find the number of years it takes for the population to grow to 42,500.
What is approximately 9 years
100
Use y = 250(1.2)^t
What is the y-intercept?
What is 250
100
Write an exponential growth function to model the situation.
A population of 422,000 increases by 12% each year.
What is y= 422,000(1.12)^t
100
What is the growth factor for the following t-chart?
y/ 1 / 3 / 9 / 12 / 81 /
x/ 0 / 1 / 2 / 3 / 4 /
What is 3
200
Is the following growth or decay: y=100*(0.5)^x
What is decay
200
$1,200 is invested at an annual rate of 3.2%. Find the number of years it will take for the account balance to be $1,480.
What is approximately 6.7 years
200
Use y = 250(1.2)^t
What is the growth factor?
What is 1.2
200
The population of Baconburg starts off at 20,000, and grows by 13% each year. Write an exponential growth model and find the population after 10 years.
What is y = 20,000(1.13)^10 and population of 67,891
200
What is the y-intercept for the following t-chart?
y/ 1 / 3 / 9 / 12 / 81 /
x/ 0 / 1 / 2 / 3 / 4 /
What is 1
300
Is the following growth or decay: y= 100*(1+0.4)^12
What is growth
300
The population in the town of Deersburgh is presently 42,500. The town has been growing at a steady rate of 2.7%. Find the number of years ago that the population was 30,000.
What is approximately 13 years
300
Use y = 250(1.2)^t
What is the growth rate?
What is 20%
300
The Hippityhoppity bunny decided to have a family reunion at the Magic Forest every 5 years. During the second reunion the family discovered that the number of family members was 154 and was growing at an annual rate of 3.2%.
Write an equation to model the growth of the bunny family.
What is y = 154(1.032)^x
300
What is the y-intercept for the following t-chart?
y/ 12 / 36 / 108 / 324 / 972 /
x/ 1 / 2 / 3 / 4 / 5 /
What is 4
400
Is the following growth or decay: y = 7 (1-.06)^3
What is decay
400
The value of a stock when purchased was $10 a share. The stock grew at a monthly rate of 7%. Find the number of months it took to reach a value of $15.75 a share.
What is approximately 6.7 months
400
y = 9.8(1.35)^t
What is the growth factor?
What is 1.35
400
The fish in The Magic Forest Lake were declining at an annual rate at 1.5%. Their current number is estimated at 2500.
Write an equation to model the decreasing number of fish.
What is y = 2500(.985)^x
400
What is the growth factor for the following t-chart?
y/ 4 / 9.6 / 23.04 / 55.29 / 132.7 /
x/ 0 / 1 / 2 / 3 / 4 /
What is 2.4
500
Is the following growth or decay: y = -350 (1+.25)^x
What is growth
500
The value of a stock when purchased is $10 a share. The stock decreased at a rate of 3% daily. Find the number of days it took for the stock to be worth $7.40.
What is almost 10 days (approximately 9.9 days)
500
y = 9.8(1.35)^t
What is the growth rate?
What is 35%
500
The fish in The Magic Forest Lake were declining at an annual rate at 1.5%. Their current number is estimated at 2500.
Write an equation to predict the number of fish in the lake in 10 years.
What is y = 2500(.985)^10
500
What is the growth factor and the y-intercept for the following t-chart? (must get both correct)
y/ 31.2 / 121.7 / 474.6 / 1850.8 / 7217.9 /
x/ 1 / 2 / 3 / 4 / 5 /