Choose the graph above that best represents a tomato plant that grows quickly at first, remains a constant height during a dry spell, then grows at a steady pace.
a)
Graph A
b)
Graph B
c)
Graph C
4.
Choose the graph that best represents a person walking to school, stays at school for some time, and then walks back home.
a)
Graph A
b)
Graph B
c)
Graph C
5.
Choose the graph that best represents the temperature of the water in a glass that rose steadily for several hours until it reached room temperature, then remained constant.
a)
Graph A
b)
Graph B
c)
Graph C
6.
The representation above is a...
a)
mapping diagram
b)
table
c)
graph
7.
Select the x-values from the following ordered pairs:
{(3,4),(7,1),(3,4)(−1,4)}
a)
3
b)
4
c)
7
d)
1
e)
-1
8.
Select the y-values from the following ordered pairs:
{(3,4),(7,1),(3,4)(−1,4)}
a)
3
b)
4
c)
7
d)
1
e)
-1
9.
f(x)=3x+7,findf(20)
(a)
10.
True or False: The mapping diagram above is an example of a function.
a)
True
b)
False
11.
What is the range?
a)
{-2,0,1,3}
b)
{-3,1,3,4}
12.
f(h)=2h2+3h+4,findf(−2)
(a)
13.
What would be a possible situation for the graph above?
a)
The more passengers; The more subway cars.
b)
The less passengers; The more subway cars.
c)
The more passengers; The less subway cars.
d)
The less passengers; The less subway cars.
14.
True or False: The set of ordered pair above is an example of a function.
a)
True
b)
False
15.
What relation does the mapping diagram above describe?
a)
{(-2,-3),(0,1),(1,3),(3,4)}
b)
{(-3,-2),(1,0),(3,1),(4,3)}
c)
{(-2,1),(0,-3),(1,4),(-2,3),(3,1)}
d)
{(1,-2),(-3,0),(4,1),(-2,3),(3,1)}
16.
a)
The size of the room depends on the amount of paint you have to buy.
b)
The amount of paint you need to buy depends on the size of the room.
17.
True or False: If the the D: {All Real Numbers} then the graph will be continuous.
a)
True
b)
False
18.
g(x)=2x2−2,findg(−3)
(a)
19.
f(x)=3x2+7,findf(−1)
a)
10
b)
-10
c)
4
d)
-4
20.
What are the ordered pairs that are on this graph?
a)
{(0,-3),(1,-2),(-2,-3),(4,1),(3,-1)}
b)
{(0,-3),(-2,1),(-2,3),(1,4),(3,1)}
c)
{(-3,0),(-2,1),(3,-2),(1,4),(3,-1)}
d)
{(-3,0),(1,-2),(3,2),(4,1),(3,1)}
แป้นคำตอบ
Functions Test Review
คำถามทั้งหมด: 20
1.
c)
-5
2.
d)
18
3.
b)
Graph B
4.
c)
Graph C
5.
c)
Graph C
6.
b)
table
7.
a)
3
, c)
7
, e)
-1
8.
b)
4
, d)
1
9.
9, f(20)=9
10.
b)
False
11.
b)
{-3,1,3,4}
12.
6, f(-2)=6
13.
a)
The more passengers; The more subway cars.
14.
a)
True
15.
c)
{(-2,1),(0,-3),(1,4),(-2,3),(3,1)}
16.
b)
The amount of paint you need to buy depends on the size of the room.
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