Unit 6.4 (Part 1) HW: Inverses of Linear Functions

What's the name of the inverse of g(x)?

• f(x)
• f^-1(x)
• y
• g^-1(x)

What is the first step in finding the equation of the inverse of a function?

• get x by itself
• switch x and y
• solve for y
• write the function in inverse function notation

Find the inverse of f(x) = 3x +8

• f^-1(x) = 3(x-8)
• f^-1(x) = (8x-1)/3
• f^-1(x) = (x-8)/3
• f^-1(x) = (x+8)/3

• A.
• B.
• C.
• D.

• A

• B

• C

• D

What is the Inverse of the function $y=2x+7$ 

•  $y=-2x-7$  

•  $y=7x+2$  

•  $y=\frac{\left(x-7\right)}{2}$  

•  $y=\frac{\left(x-2\right)}{7}$  

Find the inverse of $f\left(x\right)=\frac{1}{4}x-7$  

•  $f^{-1}(x)=4x+7$  
  

•  $f^{-1}(x)=-4x+28$  
  

•  $f^{-1}(x)=-4x-7$  
  

•  $f^{-1}(x)=4x+28$  
  

The inverse has been reflected over which line?

• y = x
• y =1
• y = 0
• y = x + 1

What is the inverse of the given coordinates: (1, 2) (3, 8) (-3, 6)

• (1, 2) (3, 8) (-3, 6)
• (1, 2) (8, 3) (-3, 6)
• (-1, -2) (-3, -8) (3, -6)
• (2, 1) (8, 3) (6, -3)

Which is the inverse of the table?

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