QZ: Inverse Functions

• f^-1(x) = 4x + 7

• f^-1(x) = -4x+28

• f^-1(x) = -4x - 7

• f^-1(x) = 4x+28

Tags

CCSS.HSF-BF.B.4A

Find the correct order to find the inverse of f(x)= 2x-5

• 2y-5=x

• 2y= x+5

• y=2x-5

Tags

CCSS.HSF-BF.B.4A

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

Tags

CCSS.HSF-BF.B.4A

Is the inverse function found correctly?

• yes
• no

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

When finding the inverse of a relation, 
1st you replace f(x) with y
2nd switch the x's and y's
What do you do next?

• solve for y
• replace y with f^-1(x)
• solve for x
• find the greatest common factor

Tags

CCSS.HSF-BF.B.4A

The inverse has been reflected over which line?

• y = x
• y =1
• y = 0
• y = x + 1