Finding the Inverse of a Function

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

If f(x)=x+5, what is f^-1(x)?

• (x + 5)²

• x - 5

• (x + 5)^-1

• undefined

Tags

CCSS.HSF-BF.B.4A

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

• x/3

• 3x²

• 3x + 3x

• 3x^-1

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

Is the inverse function found correctly?

• yes

• no

Tags

CCSS.HSF-BF.B.4A

Was the inverse function found correctly?

• no,

• yes

Tags

CCSS.HSF-BF.B.4A

An ​ (a)   takes a previously found result ( a y value) and returns it to its original value (x value). This means you are ​ (b)   a function

• function

• inverse

• 2 or more

• undoing

Tags

CCSS.HSF-BF.B.4C

Tags

CCSS.HSF-BF.B.4C

What is the inverse of this function?

• A

• B

• C

• D

Tags

CCSS.HSF-BF.B.4A

Was the inverse function found correctly?

• no

• yes

Tags

CCSS.HSF-BF.B.4A