A population of fish starts at 8,000 and decreases by 6% per year. What is the population of fish after 10 years?
14327
4309
839
7680
2. Multiple Choice
1.5 minutes
1 pt
Daniel’s Print Shop purchased a new printer for $35,000. Each year it depreciates at a rate of 5%. How much will the printer be worth in 8 years?
$23,219.72
$136.72
$51,710.94
$16,710.94
3. Multiple Choice
1.5 minutes
1 pt
The number of mosquitoes at the beginning of the summer was 4,000. The population of mosquitoes is expected to grow at a rate of 25% a month. How many mosquitoes will there be after 4 months?
9766
9006
9765
5433
4. Multiple Choice
1.5 minutes
1 pt
Twenty years ago, Mr. Davis purchased his home for $160,000. Since then, the value of the home has increased about 5% per year. How much is the home worth today?
$176,783.29
$424,527.63
$57,357.75
$532,041,076.80
5. Multiple Choice
1.5 minutes
1 pt
Is this exponential growth or decay?
Growth
Decay
6. Multiple Choice
20 seconds
1 pt
What is the initial value for the function: f(x) = 300(1.16)x?
300
1.16
.16
x
7. Multiple Choice
1 minute
1 pt
The original value of a painting is $1400, and the value increases by 9% each year. Write an exponential growth function to model this situation.
y=1400(1.09)x
y=1.09(1400)x
y=1400(.91)x
y=1.09x
8. Multiple Choice
45 seconds
1 pt
Which of the following functions shows an initial amount of $15 and an increase of 35% each year?
y = 15(35)x
y = 15(1.35)x
y = 15(0.35)x
y = 35(1.15)x
9. Multiple Choice
1 minute
1 pt
What is b, the common ratio, for the function: f(x) = 300(1.16)x?
300
1.16
.16
x
10. Multiple Choice
1.5 minutes
1 pt
Classify the model as Exponential GROWTH or DECAY. A=1200(.85)6
Growth
Decay
11. Multiple Choice
1.5 minutes
1 pt
Classify the model as Exponential GROWTH or DECAY. A=10(1.01)3