Quiz about Data Exponential Functions

Question 1

Which functions represent an exponential growth? Check all that apply.

Accepted Answer

$$f(x)=\frac{3}{8}\left(2\right)^x$$

Accepted Answer

$$f(x)=\left(\frac{4}{5}\right)\left(\frac{9}{2}\right)^x$$

Accepted Answer

$$f(x)=0.1\left(8\right)^x$$

Answer

$$f(x)=\left(\frac{8}{5}\right)\left(\frac{3}{4}\right)^x$$

Answer

$$f(x)=5\left(\frac{1}{3}\right)^x$$

Question 2

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

Accepted Answer

Exponential Growth

Answer

Exponential Decay

Answer

Linear

Answer

None

Question 3

y = 4(3)x

Accepted Answer

Exponential

Answer

Linear

Answer

Neither

Answer

All of the above

Question 4

Linear, exponential, or neither?
Amount triples each year

Accepted Answer

Exponential

Answer

Linear

Answer

Neither

Answer

All of the above

Question 5

Which equation matches the graph?

Accepted Answer

y = 2-x

Answer

y = 2x+3

Answer

y = 2^x + 3

Answer

y = 2x

Question 6

Solve the equation for x.

Accepted Answer

7.389

Answer

0.693

Answer

0.0183

Answer

6.581

Question 7

Linear, exponential, or neither?

Accepted Answer

Exponential

Answer

Linear

Answer

Neither

Answer

All of the above

Question 8

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

Accepted Answer

Y-INTERCEPT

Answer

SLOPE

Answer

RATE OF CHANGE

Answer

COMMON RATIO

Question 9

What is a, the starting term, for the function: f(x) = 300(1.16)^x?

Accepted Answer

300

Answer

1.16

Answer

.16

Answer

x

Question 10

Classify the model as Exponential GROWTH or DECAY.
A=1200(.85)⁶

Accepted Answer

Decay

Answer

Growth

Question 11

Classify the model as Exponential GROWTH or DECAY.
A=10(1.01)³

Accepted Answer

Growth

Answer

Decay

Question 12

Is this exponential growth or decay?

Accepted Answer

Decay

Answer

Growth

Question 13

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 14

What is the y-intercept of the function?

Accepted Answer

3

Answer

2

Answer

1

Answer

-2

Question 15

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

Data Exponential Functions

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