1.
Choose the graph that is not a function.
A.
B.
C.
D.
Hint
2.
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
3.
Given the function
f
(
x
) =
x
2
+ 9, find
f
(-3).
A.
6
B.
0
C.
12
D.
18
Hint
4.
Given
find
A.
3
B.
6
C.
-3
D.
-6
Hint
5.
Given
find
A.
–14
B.
–12
C.
12
D.
10
Hint