classwork (03/19/2019) 6th period

are these inverse functions?

• no
• yes
• no way to tell

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(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

Was the inverse function found correctly?

• no,
• yes

What is the inverse of the function f(x)=x+2

• f⁻¹(x) = x-2
• f⁻¹(x) = x+2
• f⁻¹(x) = -x+2
• f⁻¹(x) = -x-2

Are the relations inverses?

• yes

• no

Tags

CCSS.HSF-BF.B.4B

How do you find an inverse?

• Switch x and y

• Flip the signs on all the x-values

• Flip the signs on all the y-values

• Do nothing

Tags

CCSS.HSF-BF.B.4A

What is the FIRST step I need to take to solve for x in the following equation?

• Add 9 to both sides

• Take the square root of both sides

• Divide both sides by 49

• Multiply both sides by 9

Which is the inverse of the table?

• 
• 
• 
• 

Was the inverse function found correctly?

• no,
• yes

Tags

CCSS.HSF-BF.B.4A