Inverse Functions

f(x) = {(3, 7), (4, -2), (5, -1), (8, 7)}
Is f^-1(x) a function?

• Yes
• No
• No way to tell

Tags

CCSS.HSF-BF.B.4C

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

Tags

CCSS.HSF-BF.B.4A

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

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

Tags

CCSS.HSF-BF.B.4A

Find the inverse of f(x) = x² - 5

• f^-1(x) = √(x) + 5
• f^-1(x) = ∛(x-5)
• f^-1(x) =√(x+5)
• f^-1(x) = x² - 5

Tags

CCSS.HSF-BF.B.4A

If f(x) = 3x-9, what is f ^-1(12)?

• 25
• 9
• 11
• 7

Tags

CCSS.HSF-BF.B.4A