Find the Mistake Inverse Functions

John tried to find the inverse of f(x). Where did john made his first mistake as he worked the problem out?

• step 3

• step 4

• step 6

• There is no mistake.

Tags

CCSS.HSF-BF.B.4D

Are these functions inverses?

• Yes, they are a reflection over the diagonal dotted line.

• No, they are not a reflection over the diagonal dotted line.

Tags

CCSS.HSF-BF.B.4B

The inverse has been reflected over which line?

• the dotted line which is represented by y=x

• the x-axis

• the y-axis

Tags

CCSS.HSF-BF.B.4B

Are the graphs inverses?

• yes

• no

Tags

CCSS.HSF-BF.B.4B

Is the inverse function found correctly?

• yes

• no

Tags

CCSS.HSF-BF.B.4A

Which is f ^-1(x)?

• f ^-1(x) = 5x + 3

• f ^-1(x) = 5x - 3

• f ^-1(x) = 5x - 15

• f ^-1(x) = 1/5(x) + 3/5

Tags

CCSS.HSF-BF.B.4A

Which is f ^-1(x)?

• f ^-1(x) = 3x + 5

• f ^-1(x) = 3x - 5

• f ^-1(x) = 3x - 15

• f ^-1(x) = 3x + 15

Tags

CCSS.HSF-BF.B.4A

Was the inverse function found correctly?

• no

• yes

Tags

CCSS.HSF-BF.B.4A

Which is f^-1(x)?

• f^-1(x)=(x/5)³

• f^-1(x)=1/5(x)³

• f^-1(x)=5(x)³

• f^-1(x)=125(x)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