CA 1 Retest Prep

What does it mean to find the inverse of a function?

• the x's and y's are switched
• the x's and y's are divided by 2
• the x's and y's are made negative
• the x's and y's are the same

Tags

CCSS.HSF-BF.B.4A

If f(x) = 3x-9, what is f ^-1(12)?

• 25
• 9
• 11
• 7

Tags

CCSS.HSF-BF.B.4A

Given f(x) = x+3, find f^-1(-2).

• -1
• 1
• 5
• -5

Tags

CCSS.HSF-BF.B.4A

If $f\left(x\right)=\frac{\sqrt{x+6}}{3}$  , select the correct steps for the INVERSE function in the correct order

• 1. Multiply by 3 

  2. Take the square root of the quantity 
  3. Add 6

• 1. Square x 
  2. Subtract 6 
  3. Multiply by 3

• 1. Subtract 6 
  2. Square the quantity 
  3. Multiply by 3

• 1. Multiply by 3 
  2. Square the quantity 
  3. Subtract 6

Tags

CCSS.HSF-BF.B.4A

Which is the inverse of the table?

• 
• 
• 
• 

Tags

CCSS.HSF-BF.B.4C

What type of function is shown?

• cube root
• square root
• logarithm
• exponential

Tags

CCSS.HSF-IF.C.7B

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

Tags

CCSS.HSF-BF.B.4A

 $h\left(x\right)=-\frac{2}{x-1}-3$  
Find the inverse of the function.

•  $h^{-1}\left(x\right)=\frac{2}{-x-3}+1$  

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

•  $h^{-1}\left(x\right)=\frac{2}{-x+3}$  

•  $h^{-1}\left(x\right)=\frac{3}{-x-3}-2$  

Tags

CCSS.HSF-BF.B.4A

In an inverse function, the _____ and _______ are switched from the original

• f(x) and g(x)
• input and output
• positives and negatives
• slope and intercept

Tags

CCSS.HSF-BF.B.4C

What is the equation of the absolute value function?

• f(x)= 4|x+3|
• f(x)= 1/4 |x+3|
• f(x)= 1/4 |x - 3|
• f(x)= 4|x - 3|

Tags

CCSS.HSF-IF.C.7D