This document discusses verifying inverse functions. It provides examples of functions and their inverses. It explains that if the composition of two functions equals the identity function, then the functions are inverses of each other. The document also provides homework problems for students to complete involving inverse functions and verifies several examples of functions and their inverses.

1. Homework Questions…

2. Section 1.4
Inverse Functions
Mrs. Ramsey

3. Verifying Inverse Functions
 If you do the composition of functions both directions
and it equals x, they ARE INVERSES!
Ex: and6 4y x= −
4
6
x
y
+
=

4. Verifying Inverses
1)( 3
+= xxf
3
1)( −= xxg

5. Find 1st
, then verify inverses
2
( )
3
f x
x
=
+

6. Find 1st
, then verify inverses
2 7
( )
x
f x
x
− +
=

7. Verify Inverses
 and
9
( )
7
x
f x
x
−
=
+
7 9
( )
1
x
g x
x
− −
=
−

8. Find 1st
, then verify inverses
11 6
( )
6
x
f x
x
− +
=
+

9. Find 1st
, then verify inverses
7 1
( )
9
x
f x
x
+
=
− +

10. Homework
p. 129 (57-64, 69-70)
Bring in a 2 pocket folder by tomorrow!