Inverse Relations/Functions

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

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

Tags

CCSS.HSA.REI.A.1

CCSS.HSA.REI.A.2

CCSS.HSA.REI.B.4

Which is the inverse of the table?

• 
• 
• 
• 

Tags

CCSS.HSF.BF.B.4

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.4

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 
f(x)= (x-2)⁵+3

• ⁵√(x-3) +2
• -2+x⁵
• (x+1)⁵+3
• ⁵√(x+2)-3

Tags

CCSS.HSF.BF.B.4

Find the inverse 
f(x)=-2x³+2

• ³√(-x+2)/2
• ³√(x+2)+1
• ³√(x+2)/2
• ³√(x-2)/-2

Tags

CCSS.HSF.BF.B.4

Which is f^-1(x)?

• f^-1(x)=(x/5)³
• f^-1(x)=1/5(x)³
• f^-1(x)=5(x)³
• f^-1(x)=125(x)³

Tags

CCSS.HSF.BF.B.4

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.4

TRUE OR FALSE:

If the DOMAIN of a function is (-∞, 2], then the DOMAIN of the INVERSE function will also be (-∞, 2].

• false

• true

Tags

CCSS.HSF.BF.B.4

CCSS.HSF.IF.B.5