Quiz about Exponential Functions

Question 1

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

Accepted Answer

Y-INTERCEPT

Answer

SLOPE

Answer

RATE OF CHANGE

Answer

COMMON RATIO

Question 2

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 3

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

Accepted Answer

Decay

Answer

Growth

Question 4

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

Accepted Answer

Growth

Answer

Decay

Question 5

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

Accepted Answer

Exponential Growth

Answer

Exponential Decay

Answer

Linear

Answer

None

Question 6

Is this exponential growth or decay?

Accepted Answer

Decay

Answer

Growth

Question 7

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 8

What is the y-intercept of the function?

Accepted Answer

3

Answer

2

Answer

1

Answer

-2

Question 9

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 10

Is the graph linear, exponential or neither?

Accepted Answer

Linear

Answer

Exponential

Answer

Neither

Question 11

Describe the equation
y = 100 * 2^x

Accepted Answer

It starts with 100 and is doubling

Answer

It starts with 100 and is tripling

Answer

It starts with 2 and is being multiplied by 100 each time

Answer

It starts with 100 and is adding 2 each time

Question 12

Linear, exponential, or neither?
y = 4(3)^x

Accepted Answer

Exponential

Answer

Linear

Answer

Neither

Answer

All of the above

Question 13

Linear, exponential, or neither?
Amount increases $10 per year

Accepted Answer

Linear

Answer

Exponential

Answer

Neither

Answer

All of the above

Question 14

Linear, exponential, or neither?
Amount triples each year

Accepted Answer

Exponential

Answer

Linear

Answer

Neither

Answer

All of the above

Question 15

Linear, exponential, or neither?

Accepted Answer

Exponential

Answer

Linear

Answer

Neither

Answer

All of the above

Question 16

What type of function does this table represent?

Accepted Answer

Linear

Answer

Exponential

Answer

Neither

Question 17

Linear, exponential, or neither?
y = 4 + 2x

Accepted Answer

Linear

Answer

Exponential

Answer

Neither

Answer

All of the above

Question 18

What type of pattern do linear functions have?

Accepted Answer

Adds or subtracts by the same number every time

Answer

Multiplies or divides by the same number every time

Answer

Square roots all the inputs

Question 19

Suppose the population of a species of insects doubles every year. There are 1600 insects initially. The function for the scenario would be?

Accepted Answer

$$f\left(x\right)=1600\cdot2^x$$

Answer

$$f\left(x\right)=2x+1600$$

Answer

$$f\left(x ight)=1600 imes2$$

Exponential Functions

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