Inverses Practice Quiz

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

• f(x)
• f^-1(x)
• y
• g^-1(x)

Tags

CCSS.HSF-BF.B.4A

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)

Tags

CCSS.HSF-BF.B.4C

What is a first step in finding the equation of the inverse of a function? (Provided that the equation is written as y = ... )

• get x by itself

• switch x and y

• solve for y

• write the function in inverse function notation

Tags

CCSS.HSF-BF.B.4A

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)

Tags

CCSS.HSF-BF.B.4C

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

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

Tags

CCSS.HSF-BF.B.4A

Find the inverse of
f(x) = 1/4x - 7

• 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 inverse of f(x) = x² - 5

• f^-1(x) = √(x) + 5
• f^-1(x) = ∛(x-5)
• f^-1(x) =√(x+5)
• f^-1(x) = x² - 5

Tags

CCSS.HSF-BF.B.4A

Find the inverse of:

 $f\left(x\right)=\sqrt{x-10}$  

•  $f^{-1}\left(x\right)=x^2+10$  

•  $f^{-1}\left(x\right)=\left(x-10\right)^2$  

•  $f^{-1}\left(x\right)=\left(x+10\right)^2$  

•  $f^{-1}\left(x\right)=\sqrt{x+10}$  

Tags

CCSS.HSF-BF.B.4A

Find the inverse of:

 $f\left(x\right)=\left(\frac{x-2}{5}\right)^{\frac{1}{5}}$  

•  $f^{-1}\left(x\right)=5\left(x+2\right)^5$  

•  $f^{-1}\left(x\right)=5\left(x^5+2\right)$  

•  $f^{-1}\left(x\right)=5x^5+2$  

•  $f^{-1}\left(x\right)=\left(5\left(x+2\right)\right)^5$  

Tags

CCSS.HSF-BF.B.4A