1.
If any vertical line passes through no more than one point of the graph of a relation, then the relation is a(n)_______.
A.
straight line
B.
domain relation
C.
function
D.
equivalent relation
Hint
2.
Which graph
does not
represent a function?
A.
B.
C.
D.
Hint
3.
The relation in the graph is _________.
A.
a function because each member of the range is paired with
exactly
one member of the domain
B.
not a function because each member of the domain is paired with more than one member of the range
C.
a function because each member of the domain is paired with
exactly
one member of the range
D.
not a function because each member of the range is paired with more than one member of the domain
Hint
4.
If
f
(
x
) = 4
x
– 3, find
f
(j + 2).
A.
4
j
+ 5
B.
4
j
– 1
C.
4
j
+ 11
D.
4
j
– 3
Hint
5.
Dion takes 5 minutes to prepare himself to read a book and then takes 1.4 minutes to read each page. How many minutes will it take Dion to read a 155 page book if he reads straight through?
A.
217 minutes
B.
207 minutes
C.
212 minutes
D.
222 minutes
Hint