1. Inverse Relations & Square Root Functions
Chapter 7, Sections 8, 9

2. What Are Inverse Functions?
Inverse functions are functions that switch the x and y values.
For example:
(1,2) (3,4) (5,6) =
(0,-4) (-3,5) (-7,1) (4,0) =
To find the inverse of a function: (Graphic Organizer)
Write the function as y=
Switch the x and y variables
Solve the new function for y

3. Find the Inverse

4. Verifying Inverses f(x) and g(x) are inverses if and only if:
f(g(x))=x AND g(f(x))=x
Examples:

5. Square Root Functions & Inequalities
Recall:
Domain is
Range is
Find the domain and range of the following:

6. Graphing Square Root Inequalities
Recall:
Dotted lines
Solid lines
Shaded above
Shaded below

7. Homework Page 50 in workbook Page 51 in workbook Exit Slip
Problems 1, 3, 5, 10-15
Page 51 in workbook
Problems 1-9
Exit Slip
If two relations are inverses, the domain of one relation is the what of the other relation?