Quiz about Human Population Growth

Question 1

What type of growth is shown in the diagram?

Accepted Answer

Exponential

Answer

Linear

Answer

Quadratic

Answer

None of the above

Question 2

Which equation represents the graph?

Accepted Answer

y = 1(3)x

Answer

y = 1(1/3)^x

Answer

y = 3(1)x

Answer

y = 3x + 1

Question 3

Which equation represents the table?

Accepted Answer

y = 25(4^x)

Answer

y = 4(25^x)

Answer

y = 4x

Answer

y = 4x

Question 4

Using exponential regression, what is the equation of the table?

Accepted Answer

y = 50(3)^x

Answer

y = 3(50)^x

Answer

y = 50*3x

Answer

y = 3x

Question 5

A town has a population of 8,000 people, and it grows at a rate of 3% per year. Which equation represents the population after t years?

Accepted Answer

$$P(t)=8000(1.03)^t$$

Answer

$$P(t)=8000(0.97)^t$$

Answer

$$P(t)=8000(1.03)^t−8000$$

Answer

$$P(t)=8000(1.03t)$$

Question 6

A village has a population of 2,500 and it increases by 5% per year. Which equation represents the population after t years?

Accepted Answer

$$P(t)=2500(1.05)^t$$

Answer

$$P(t)=2500(1.05)^t−2500$$

Answer

$$P(t)=2500(0.95)^t$$

Answer

$$P(t)=2500(1.05t)$$

Question 7

A city's population is 15,000 and it increases by 6% annually. Which equation represents the population after t years?

Accepted Answer

$$P(t)=15000(1.06)^t$$

Answer

$$P(t)=15000(1.06t)$$

Answer

$$P(t)=15000(1.06)^t−15000$$

Answer

$$P(t)=15000(0.94)^t$$

Question 8

A town's population is 10,000 and it decreases by 1% per year. Which equation represents the population after t years?

Accepted Answer

$$P(t)=10000(0.99)^t$$

Answer

$$P(t)=10000(1.01)^t$$

Answer

$$P(t)=10000(1.01t)$$

Answer

$$P(t)=10000(0.99t)$$

Question 9

Does the following equation represent growth or decay?

Accepted Answer

Growth

Answer

Decay

Question 10

A population of 5,000 grows by 4% each year. What is the population after 5 years?

Accepted Answer

6083 people

Answer

5849 people

Answer

5000 people

Answer

4077 people

Question 11

What type of function does this table represent?

Accepted Answer

Exponential

Answer

Linear

Answer

Neither

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