Baby Playor

All About Inverse

Functions

duck wrangling by toyfoto

For each of the following functions, identify the inner function g(x) and the outer function F(x).

Chain Linkage

Many-to-one functionMore than one member of the domain is mapped to a single member of the range.

1

4

9

-2

5

http://fooplot.com

-2

mapping

outputinputdomain range

Function where each (one) member of the domain is mapped to a unique (one) member of the range.

One-to-one function

1

4

9

-2

5

7

http://fooplot.com

Used only on the graphs of functions. (i.e the vertical line test has already been satisfied).

Horizontal line test

Sweep a horizontal line across the graph of any function if the line crosses the graph more than once the function is many-to-one if the line crosses the graph everywhere exactly once then the function is one-to-one.

Baby Playor

All About Inverse

Functions

duck wrangling by toyfoto

Inverses ...The concept ...

Numerically speaking ...

Inverses ...Algebraically speaking ...

Conceptually analyzing the function ...

Inverses ...

Graphically speaking ...

Find the inverse:

-2-1012

127-350

x y-2-1012

127-350

x y