Inverses and Compositions Quizizz

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

• A.
• B.
• C.
• D.

Tags

CCSS.HSF-BF.B.4A

• A.
• B.
• C.
• D.

Tags

CCSS.HSF-BF.B.4A

Find the inverse of  $f\left(x\right)=\sqrt{x}+8$  

•  $f^{-1}\left(x\right)=x^2+8$  

•  $f^{-1}\left(x\right)=x^2-8$  

•  $f^{-1}\left(x\right)=\left(x+8\right)^2$  

•  $f^{-1}\left(x\right)=\left(x-8\right)^2$  

Tags

CCSS.HSF-BF.B.4A

Are these functions inverses of each other?

• Yes
• No

Tags

CCSS.HSF-BF.B.4B

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

• -1
• 1
• -1/3
• -5/3

Tags

CCSS.HSF-BF.A.1C

When f(x) = x²-3 and g(x) = 2x+8 , find g(f(2)).

• 14
• 10
• 144
• 141

Tags

CCSS.HSF-BF.A.1C

• 5
• 25
• √23
• 31

Tags

CCSS.HSF-BF.A.1C