Introduction of 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 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

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

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

Are these the graphs of two inverse functions?

• Yes

• No

• No way to tell

Tags

CCSS.HSF-BF.B.4C

Are the blue and red graphs inverse functions?

• yes

• no

• no way to tell

Tags

CCSS.HSF-BF.B.4B

Tags

CCSS.HSF-BF.B.4C

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