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exponential domain/range and mixed

Total questions: 25

Worksheet time: 25mins

Name
Class
Date
1.

Which of the following is an exponential function?

a)

y = x2

b)

f(x) = 3x3

c)

y = x3

d)

f(x) = 3x

2.
In an exponential function, what does the 'a' represent? 
a)
SLOPE
b)
RATE OF CHANGE
c)
Y-INTERCEPT
d)
COMMON RATIO
3.
Is the pictured graph growth, decay, or linear or none?  
a)
Exponential Growth
b)
Exponential Decay
4.

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

a)

Exponential Growth

b)

Exponential Decay

c)

Linear

d)

None

5.
Is this exponential growth or decay?
a)
Growth
b)
Decay
6.
Is this exponential growth or decay?
a)
Growth
b)
Decay
7.
What is the y-intercept of the function?
a)
2
b)
3
c)
1
d)
-2
8.

Name the asymptote.

a)

x = -4

b)

y = -5

c)

y = -4

d)

x = -5

9.

What is the equation of the horizontal asymptote for following exponential function?

a)

y = 1

b)

y = 2

c)

y > 1

d)

(0, 2)

10.

What is the equation of the horizontal asymptote for following exponential function?

a)

y = -4

b)

y > -4

c)

y < -4

d)

(0, -3)

11.
What is the x-intercept of the exponential function? 
a)
(0,1)
b)
(0,0)
c)
There is not one
12.

What is the Domain of this exponential function?

a)

y > 0

b)

y < 0

c)

All Real Numbers

d)

y > 0

13.

What is the range of the exponential function?

a)

all real numbers

b)

y > -1

c)

y < -1

d)

x > -1

14.

What is the domain of the exponential function?

a)

all real numbers

b)

y > 3

c)

y < 3

d)

x > 3

15.

What is the range of the exponential function?

a)

all real numbers

b)

y > -3

c)

y < -3

d)

x > -3

16.

What is the Range of the exponential? 

a)

y > -8

b)

y ≥ -8

c)

All real numbers

d)

y < -8

17.

Name the range.

a)

All Real Numbers

b)

y > -5

c)

y ≥ -5

d)

y < -5

18.

Name the domain.

a)

x> -4

b)

y > -5

c)

y < -4

d)

all real numbers

19.

What are the domain and range of the function/graph?

a)

Domain: All Real Numbers

Range: All Real Numbers

b)

Domain: All Real Numbers

Range: y < 2

c)

Domain: All Real Numbers

Range: y > 2

d)

Domain: x > 2

Range: All Real Numbers

20.

What is the domain of the function shown?

a)

All real numbers

b)

y>0y>0  

c)

All real numbers greater than 1

d)

y<0y<0  

21.
A new savings account is opened with $400 and gains 3% every year. What is the exponential function?
a)
f(x)=400(1+3)x
b)
f(x)=400(1-0.03)x
c)
f(x)=400(1+0.03)x
d)
f(x)=400(0.03)x
22.
a)

A

b)

B

c)

C

d)

D

23.
a)

A

b)

B

c)

C

d)

D

24.
a)

A

b)

B

c)

C

d)

D

25.
The value of a car is $15,000 and depreciates at a rate of 8% per year. What is the exponential equation?
a)
y=8(15,000)x
b)
y=15,000(1.08)x
c)
y=15,000(0.92)x
d)
y=15,000(0.08)x