Inverse Functions and Relations

Find the inverse of f(x): {(2,-4), (-1,5), (1,2), (-3,-3), (5,2)}

• f^-1 (x): {(-2,4), (1,-5), (-1,-2), (3,3), (-5,-2)}
• f^-1 (x):  {(-4,2), (5,-1), (2,1), (-3,-3), (2,5)}
• f^-1 (x): {(2,-4), (-1,5), (1,2), (-3,-3), (5,2)}
• f^-1 (x): {(4,-2), (-5,1), (-2,-1), (3,3), (-2,-5)}

Find the inverse of f(x) = 3x +8

• f^-1(x) = 3x - 8/3
• f^-1(x) = 8/3x - 1/3
• f^-1(x) = 1/3x - 8/3
• f^-1(x) = 1/3x + 8/3

Find the inverse of f(x) = 1/4x - 7

• f^-1(x) = 4x + 7
• f^-1(x) = -4x + 28
• f^-1(x) = -4x - 7
• f^-1(x) = 4x + 28

Find the inverse of f(x) = -4x - 12

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

What is the equation that the inverse will reflect across?

• y = x
• y = 0
• x = 0
• Potato

What's the name of the inverse of g(x)?

• f(x)
• f^-1(x)
• y
• g^-1(x)

Which step comes second in finding the equation of the inverse of a function?

• get x by itself
• switch x and y
• call the help desk
• write the function in inverse function notation

Are the following inverses of each other?

• True
• False

Are these functions inverses?

• Yes
• No

Are the following inverses of each other?

• True
• False