Quiz about Exponential Quiz

Question 1

Is the graph linear, exponential or neither?

Accepted Answer

Linear

Answer

Exponential

Answer

Neither

Question 2

Is the pictured graph growth, decay, or linear or none?

Accepted Answer

Decay

Answer

Growth

Answer

Linear

Answer

None

Question 3

Is the pictured graph growth, decay, or linear or none?

Accepted Answer

Growth

Answer

Decay

Answer

Linear

Answer

None

Question 4

What is the y-intercept of the function?

Accepted Answer

3

Answer

2

Answer

1

Answer

-2

Question 5

Identify the y-intercept (initial value) in the function f(x)=13(.27)^x

Accepted Answer

13

Answer

(.27)x

Answer

.27

Answer

3.51

Question 6

Identify the y-intercept (initial value) of the function f(x)=2(4)^x.

Accepted Answer

2

Answer

4

Answer

(2)x

Answer

8

Question 7

In an exponential function, what does the 'a' represent?

Accepted Answer

Y-INTERCEPT

Answer

SLOPE

Answer

RATE OF CHANGE

Answer

COMMON RATIO

Question 8

Identify the common ratio (multiplier) of the function f(x)=2(4)^x.

Accepted Answer

4

Answer

2

Answer

(2)x

Answer

8

Question 9

Charlotte is analyzing a population of bacteria in a lab experiment. She models the population with the function:

f(x)=2(0.85)^x

Is this model an example of decay or growth?

Accepted Answer

Exponential Decay

Answer

Exponential Growth

Question 10

Which of the following is an increasing exponential function whose y-intercept is 50?

Accepted Answer

y = 50(1.4)^x

Answer

y = 50(.05)^x

Answer

y = 50x - 4

Answer

y = (2)^x + 50

Question 11

Is the following function an example of decay or growth?

f(x) = 2(1.25)^x

Accepted Answer

Exponential Growth

Answer

Exponential Decay

Question 12

What is the x-intercept of the exponential function?

Accepted Answer

There is not one

Answer

(0,1)

Answer

(0,0)

Question 13

What is the growth factor of the situation represented by f(x)=10(0.3)^x?

Accepted Answer

0.3

Answer

10

Answer

1

Answer

3

Question 14

Classify the function, f(x) = 6.5(0.85)^x.

Accepted Answer

exponential decay

Answer

exponential growth

Answer

positive linear

Answer

negative linear

Question 15

The expression 12(1.015)^t models the population of elephants in a wildlife refuge after t years since 1975.
Is the population of elephants increasing or decreasing?

Accepted Answer

Increasing

Answer

Decreasing

Question 16

If a table's pattern is that the f(x) values are being divided by 3, what is the common ratio?

Accepted Answer

1/3

Answer

3

Answer

-3

Answer

-1/3

Question 17

Which variable represents time passed in the function y=ab^x?

Accepted Answer

x

Answer

y

Answer

a

Answer

b

Question 18

How do you write 5% as a decimal?

Accepted Answer

0.05

Answer

50

Answer

5

Answer

0.5

Question 19

A population of 1,000 deer in a park grows by 10% each year due to conservation efforts. What is the correct exponential growth formula for the deer population over time?

Accepted Answer

$$1,000 \cdot (1.1)^x$$

Answer

$$1,000 + (0.1)^x$$

Answer

$$1,000x$$

Answer

$$1,000 \cdot x^{10}$$

Question 20

Accepted Answer

A

Answer

B

Answer

C

Answer

D

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