Inverse Concepts
Finding Inverse Values using Tables
Finding the Inverse of Simple Functions
Finding the Inverse of Complex Functions
Mr. K
100

What happens with the input and output variables when a function is inverted (becomes its inverse)?

They flip/change places with each other!

100

If an input of 3 gives an output of 7 in the table of a function, what would be the output of the inverse function for in input of 7?

3

100

If  f(x) = x +6 , find the inverse function  f^(-1)(x) 

f^(-1)(x) = x-6

100

If  f(x) = 2x+5 , find the inverse function f^(-1)(x)  

f^(-1)(x) = (x-5)/2

100

Which state is Mr. K originally from?

Wisconsin

200

What is the correct notation for an inverse function?

f^(-1)(x)

200

In a function table, an input of 5 corresponds to an output of 12. What does this mean for the inverse table?

An input of 12 will correspond to an output of 5

200

If  f(x) = 4x , find the inverse function  f^(-1)(x) 

f^(-1)(x) = 1/4x

200

If  f(x) = (x/3) - 4 , find the inverse function  f^(-1)(x) 

f^(-1)(x) = 3(x+4)

200

What is Mr. K's favorite sports team?

Green Bay Packers


300

What happens to the domain and range of a function when it is inverted?

The domain and range switch places:

Domain of parent function is range of inverse function

Range of parent function is domain of inverse function

300

How do you create the table for an inverse function using the table of the original function?

Switch the x and y values for each ordered pair

Flip the input and output columns

300

If 

 f(x) = x/7 , find the inverse function  f^(-1)(x) 

f^(-1)(x) = 7x

300

If  f(x) = (x-1)/2 , find the inverse function  f^(-1)(x) 

f^(-1)(x) = 2x+1

300

How old is Mr. K?

28

400

If 

 f(a)=b  

then   f^(-1)(b) = ? 

a

400

Consider the following function:

What is  f^(-1)(4)  

3

400

If  f(x) = x^2 , find the inverse function 

f^(-1)(x)

f^(-1)(x)=sqrt(x)

400

If  f(x) = sqrt(x-3 , find the inverse function f^(-1)(x) 

f^(-1)(x) = x^2+3

400

What is Mr. K's cat's name?

Chad

500

Complete the following sentence:

"the graphs of a function and its inverse function are a _________ of each other"

Reflection

500

Consider the following function table:


Complete the table for the inverse function,  f^(-1)(x) 

500

If  f(x)= -x , find the inverse function  f^(-1)(x) 

f^(-1)(x) = -x

500

If  f(x) = (x+2)^2 find the inverse function  f^(-1)(x) 

 f^(-1)(x)=sqrt(x)-2 

500

What is Mr. K's wife's name?

Annika