Finding Inverse Functions Algebra

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

Is the inverse function found correctly?

• yes

• no

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

are these inverse functions?

• no

• yes

• no way to tell

If the equation of f(x) goes through (1, 4) and (4, 6), what points does f^-1(x) go through?

• (1, 4) and (4, 6)

• (-4, -1) and (-6, -4)

• (-1, -4) and (-4, -6)

• (4, 1) and (6, 4)

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)

Which is the inverse of the table?

• 
• 
• 
• 

Are these functions inverses of each other?

• Yes

• No

• A
• B
• C
• D