Inverses Review

What is the inverse of the function
f(x) = 2x + 4   ?

• f^-1(x) = 4(x -2)
• f^-1(x) = (x-4)/2
• f^-1(x) = x/2 - 4
• f^-1(x) = x/4 + 2

Tags

CCSS.HSF-BF.B.4A

If the equation of f(x) goes through (1, 4) and (4, 6), what points does f^-1(x) go through?

• (1, 4) and (4, 6)
• (-4, -1) and (-6, -4)
• (-1, -4) and (-4, -6)
• (4, 1) and (6, 4)

Tags

CCSS.HSF-BF.B.4C

• A
• B
• C
• D

Tags

CCSS.HSF-BF.B.4A

• A
• B
• C
• D

Tags

CCSS.HSF-BF.B.4A

What does it mean to find the inverse of a function?

• the x's and y's are switched
• the x's and y's are divided by 2
• the x's and y's are made negative
• the x's and y's are the same

Tags

CCSS.HSF-BF.B.4A

Name the inverse of the graph

• (-2, -1),(0, 0),(1, 2) (4, 2)

• (2, 1), (0, 0),(-1, -2), (-4, -2)

• (-1, -2),(0, 0),(2, 1),(2, 4)

• (1, 2), (0, 0), (-2, -1), (-2, -4)

Tags

CCSS.HSF-BF.B.4C

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

Tags

CCSS.HSF-BF.B.4A

Was the inverse function found correctly?

• no,
• yes

Tags

CCSS.HSF-BF.B.4A

Which graph represents the functions f(x) and f^-1(x)?

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Tags

CCSS.HSF-BF.B.4B

Which is the inverse of the table?

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Tags

CCSS.HSF-BF.B.4C