Practice Page
Directions: Read carefully.

1.
Questions pertain to the function shown at the right.
a) What is the domain of the function?
 Choose:
{1, 7, 8}
{1, 3, 7, 8}
domainpicanswer domainpic1b

b) What is the range of the function?
 Choose:
{1, 7, 8}
{1, 3, 7, 8}
domainpicanswer domainpic1b
sest1

 

 

2.
What is the domain of the function f (x) = | x - 1 |?

Choose:
All Reals
[1, ∞)
(-∞, 1)
(-∞, -1)
domainface1

 

 

3.
What is the range of the function f (x) = x2 ?

Choose:
All Reals
(0, ∞)
[0, ∞)
(-∞, 0]
domainface2

 

 

4.
What is the domain of the function shown at the right?

Choose:
{x | x > 2}
{x | x > -2}
{x | x > -2}
{x | x < -2}
domainparabolaright

 

 

5.
What is the range of the relation y = 2x2 + 5x, if the domain is the set {-2, 0, 1, 2}?

Choose:
{-18, 0, 7, 26} {-18, 0, 8, 26}
{-2, 0, 8, 18} {-2, 0, 7, 18}
domainface3

 

 

6.
A function is defined by the equation y = -3x - 4. If the domain is 1 < x < 5, what is the minimum value in the range of the function?
 domainface4

Choose:
-∞ -7 -10 -19

 

 

7.
What is the domain of f (x) = 2x ?
  		 domainface5
Choose:
All integers All real numbers
x > 0 x <0

 

 

8.
In which function is the range equal to the domain?

Choose:
y = 3x y = | x |
y = x2 y = x
domainface6

 

 

9.
What is the domain of the function sqrt ?

Choose:
x > 1
x < 1
x > 0
x < 0
domainface7

 

 

10.
Air temperatures over a 5-hour period are shown in the graph at the right.

a) What is the domain of this set of data?
Choose:
0 < x < 5
56 < x < 70
0 < y < 80 56 < y < 70

b) What is the range of this set of data?
Choose: )
0 < x < 5
56 < x < 70
0 < y < 80 56 < y < 70
tempgraph

 

 

11.
Questions pertain to the graph at the right.

a) Which type of function could be used to model this data?
Choose:
linear
quadratic
exponential
radioactivedecay
 

b) Which choice represents the domain of the data as displayed in the graph?
Choose:
[0, 100]
[5700, 22800]
[0, 22800]
[25,100]


c) Which choice represents the range of the data as displayed in the graph?
Choose:
[0,100]
[5700, 22800]
[0, 22800]
[25,100]

 

 

12.
The domain of f (x) = 3x + 2 is {-1 < x < 4}.
Which integer is not in the range?

Choose:
-5 -1 0 11
domainface8

 

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