Luttrell 2012
141
Name: ______________________
Date: _____
8 - Irrational Functions
Answer the following questions based on
f x
x
( )
= −
−
4
3
.
1. What is the domain?
2. What is the range?
3. When will
f(x)
= 2?
4. Where does the maximum occur?
Simplify:
5.
3 125
2 80
405
−
+
6.
(
)(
)
2 3
2 2 3
2
−
+
7.
7
49
4
Solve:
8.
x
x
+ − =
6
4
9.
2
4
3
1
4
3
x
x
x
−
− =
−
10.
x
x
x
−
+ =
−
−
1
3
1
1
1
