Inverses and Radical Functions

Identify the Range.

• (- ∞, -2 ]

• [ -2, ∞ )

• All Real Numbers

• [ 0, ∞)

• Yes, it is invertible.

• No, it is NOT invertible.

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

• yes

• no

Is this function invertible? In other words will its inverse also be a function?

• No

• Yes

• No way to tell

• A
• B
• C
• D

Solve.  Remember to check for extraneous solutions. 

• {-10}

• {9}

• {9,-10}

• NRS

Find the inverse of f(x) = 5/11x +10 

• f^-1(x) = 11/5x - 22

• f^-1(x) = 5/11x - 22

• f^-1(x) = 11/5x - 20

• None of the above

Question 8

• -6

• -3

• 6

• 15

Question 11. Solve for x

• A

• B

• C

• D

Solve

• 11

• 1

• 5

• 7