Math I

1. Finding the inverse using
function notation

2. What is the Inverse of a function?
In mathematics, an inverse function is
a function that "reverses" another
function. That is, if f is a function
mapping x to y, then the inverse
function of f maps y back to x.

3. Inverse Notation
When the relation is also a function, f(x),
you can write the inverse of the f(x) as

4. Now solve for y
Now that was easy
How to find the inverse of a function

5. How to find the inverse of a function:
STEP 1: Stick "y" in for the "f(x)."
STEP 2: Switch the x and y.
STEP 3: Solve for y.
STEP 4: Replace y with
THEN, CHECK IT!
Step-by-Step

6. Find the
inverse of
Step 1:
Step 2:
Step 3:
Step 4:

7. YOUR TURN:
Find the
inverse
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