1.
A relation in which each member of the domain is paired with exactly one member of the range is called a(n)_______.
A.
function
B.
equivalent equation
C.
ordered relation
D.
equivalent relation
Hint
2.
If
f
(
x
) = -5
x
+ 8, find
f
(-1).
A.
3
B.
2
C.
13
D.
40
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.
a function because each member of the domain is paired with
exactly
one member of the range
C.
not a function because each member of the range is paired with more than one member of the domain
D.
not a function because each member of the domain is paired with more than one member of the range
Hint
4.
If
f
(
x
) = 4
x
– 3, find
f
(j + 2).
A.
4
j
– 1
B.
4
j
+ 5
C.
4
j
+ 11
D.
4
j
– 3
Hint
5.
In physics the equation
F = ma
means ''force equals mass times acceleration.'' The acceleration of a freely falling object is 9.8
m
/s
2
. Use the function
F
(
m
) = 9.8
m
to find the force in Newtons (N) of a freely falling object with a mass of 14 g.
A.
1.43 N
B.
23.8 N
C.
8.2 N
D.
137.2 N
Hint