Determine If Rational Functions Are Inverse

Determine the type of variation:

• Direct

• Inverse

• Neither

What is the constant (k) in this inverse variation?
y = 400/x

• x

• y

• 400

• Not enough information given

What is the inverse of this function?

• A

• B

• C

• D

What is the best description?

• Not inverses, and both are functions

• Inverses, and both are functions

• Not inverse, and they are not both functions.

• Inverses, and they are not both functions.

Find the inverse function

• 
• 
• 
• 

Is the inverse of this a function?

• Yes

• No

Will the inverse of this function be a function?

• Yes

• No

• No way to tell

Q1. Is the sky blue?

• TRUE

• FALSE

• Inverse Functions

• Not Inverse Functions

Determine whether the functions are inverses of each other.

f(x)=5x+2 g(x)=(x-2)/5

• Yes, f(g(x))=g(f(x))=x