1.
Which statement is true about the graph shown below?
A.
The relation is a function.
B.
The range is {-3, -2, 0, 1}.
C.
The relation is not a function.
D.
The domain is {-3, 2, 4}.
Hint
2.
Choose the graph that is not a function.
A.
B.
C.
D.
Hint
3.
Choose the relation that is a function.
A.
B.
C.
D.
Hint
4.
In a science experiment, students hung a cup from a spring and measured the length of the spring when candies were added to it. Their data are shown in the table below. Which statement is true?
A.
The relation is a function because the range values increase.
B.
The relation is not a function because only a line can be a function.
C.
The relation is not a function because there are two
y
values for some
x
values.
D.
The relation is a function because for each
x
value, there is exactly one
y
value.
Hint
5.
Graph the relation represented by
y
=
x
2
–
x
+ 1.
A.
B.
C.
D.
Hint