Inverse Functions Quiz

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

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

• f^-1(x) = 4x + 7
• f^-1(x) = -4(x-7)

• f^-1(x) = -4x - 7
• f^-1(x) = 4(x+7)

The inverse of the function f(x) is written as ...

• f ^-1(x)
• f ²(x)
• f '(x)
• f ⁺(x)

Which is the inverse of the table?

• 
• 
• 
• 

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

Is the function represented in the table a one-to-one function?

• yes

• no

When sketching the one-to-one, non-decreasing portion of the function

f(x) = x² and its inverse, _______ is the line of symmetry.

• y = x

• x = 0

• y = 0

• y = 2

Which is f ^-1(x)?

• f ^-1(x) = 5x + 3

• f ^-1(x) = 5x - 3

• f ^-1(x) = 5x - 15

• f ^-1(x) = 1/5(x) + 3/5

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