Inverse of Functions

What is the inverse of the points (1,3)(2,4)(6,2)

• (2,6)(3,1)(4,2)
• (-3,-1)(-4,-2)(-2,-6)
• (1,3)(2,4)(6,2)
• (-1,-3)(-2,-4)(-6,-2)

Tags

CCSS.HSF-BF.B.4C

Find the inverse

f(x)=2x-2

• $f^{-1}\left(x\right)=\frac{x}{2}+1$

• $f^{-1}\left(x\right)=2-\frac{x}{2}$
  

• $f^{-1}\left(x\right)\ =\ \frac{-7}{3}x-\frac{20}{3}$

• $f^{-1}\left(x\right)\ =\ \frac{2}{5}x-2$
  

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

The inverse of the function f(x) is written as ...

• f ^-1(x)
• f ²(x)
• f '(x)
• f ⁺(x)

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.4B

Are the following inverses of each other?

• True
• False

Tags

CCSS.HSF-BF.B.4B

Find the inverse of f(x) = -4x - 12

• $f^{-1}\left(x\right)\ =\ 4x-3$

• $f^{-1}\left(x\right)\ =\ -\frac{x}{4}-3$

• $f^{-1}\left(x\right)=\ \frac{x}{4}+3$
  

• $f^{-1}\left(x\right)\ =\ -4x+3$
  

Tags

CCSS.HSF-BF.B.4A

What is the best description?

• They are both functions, but not inverse functions.

• They are reflected over y=x, but they are not both functions.

• They are not both functions, and are not inverses.

• They are inverse functions.

Tags

CCSS.HSF-BF.B.4B

What is the definition of function?

• Has x-values and y-values

• Every x-value only has one y-value

• All x-values have different y-values

• x-values repeat

Tags

CCSS.8.F.A.1

Which set of values is a function?

• (9,5) (10,5) (9,-5) (10,-5)
• (3,4) (4,-3) (7,4) (3, 8)
• (6,-5) (7, -3) (8, -1) (9, 1)
• (2, -2) (5, 9) (5, -7) (1, 4)

Tags

CCSS.8.F.A.1