Unit 12 replacement grade

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

What is the inverse of the function
f(x) = 2x + 4   ?

• f^-1(x) = 4(x -2)
• f^-1(x) = (x-4)/2
• f^-1(x) = x/2 - 4
• f^-1(x) = x/4 + 2

The inverse has been reflected over which line?

• y = x
• y =1
• y = 0
• y = x + 1

Are these functions inverses of each other?

• Yes
• No

are these inverse functions?

• no
• yes
• no way to tell

What is the inverse of the points
(1,3)(2,4)(6,8)

• (3,1)(4,2)(8,6)
• (-3,-1)(-4,-2)(-8,-6)
• (1,3)(2,4)(6,8)
• (-1,-3)(-2,-4)(-6,-8)

• A
• B
• C
• D

• A
• B
• C
• D

Was the inverse function found correctly?

• no,
• yes