Inverse Functions

Find the inverse of the function
f(x) = 3x − 5

• f^-1(x)=3x +5
• f^-1(x)=(x+5)/3
• f^-1(x)=3y-5
• f^-1(x)=3y+5

Tags

CCSS.HSF.BF.B.4

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

• (x + 5)²

• x - 5

• (x + 5)^-1

• undefined

Tags

CCSS.HSF.BF.B.4

CCSS.HSF.IF.A.2

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

• f^-1(x) = 4x - 3
• f^-1(x) = -1/4x - 3
• f^-1(x) = 1/4x + 3
• f^-1(x) = -4x - 3

Tags

CCSS.HSF-BF.B.4A

Was the inverse function found correctly?

• no
• yes

Tags

CCSS.HSF-BF.B.4A

Are the blue and red graphs inverse functions?

• yes
• no
• no way to tell

Tags

CCSS.HSF-BF.B.4B

Are these inverse functions?

• no
• yes
• no way to tell

Tags

CCSS.HSF-BF.B.4B

FInd the inverse of the function.
 $f\left(x\right)=\frac{3x-15}{2}$  

•  $f^{-1}\left(x\right)=-x-5$  

•  $f^{-1}\left(x\right)=3x+5$  

•  $f^{-1}\left(x\right)=\frac{15+2x}{3}$  

•  $f^{-1}\left(x\right)=\frac{2}{3}x-\frac{19}{3}$  

Tags

CCSS.HSA.REI.B.3

CCSS.HSF.BF.B.4

 $h\left(x\right)=-\frac{2}{x-1}-3$  
Find the inverse of the function.

•  $h^{-1}\left(x\right)=\frac{2}{-x-3}+1$  

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

•  $h^{-1}\left(x\right)=\frac{2}{-x+3}$  

•  $h^{-1}\left(x\right)=\frac{3}{-x-3}-2$  

Tags

CCSS.HSF.BF.B.4

• A
• B
• C
• D

Tags

CCSS.HSF.BF.B.4

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

Are the following inverses of each other?

• True
• False

Tags

CCSS.HSF-BF.B.4B