Horizontal Line Test

Use the horizontal line test to determine if the function has an inverse function.

• yes

• no

Use the horizontal line test to determine if the function has an inverse function.

• yes

• no

Use the horizontal line test to determine if the function has an inverse function.

• yes

• no

Use the horizontal line test to determine if the function has an inverse function.

• yes

• no

• no inverse

• no inverse

Does this pass the Horizontal Line Test?

• Yes

• No

Does this pass the Horizontal Line Test?

• Yes

• No

If a relation passes the Horizontal Line Test, it means that...

• The original relation is a function

• The inverse is a function

• The original function has an inverse

• The inverse has an inverse

What is the inverse of the points
(1,3)(2,4)(6,8)

• (3,1)(4,2)(8,6)
• (-3,-1)(-4,-2)(-8,-6)
• (1,3)(2,4)(6,8)
• (-1,-3)(-2,-4)(-6,-8)