Inverse Day 2

Are the following inverses of each other? Use composition of functions. fog(x) and gof(x)

• True

• False

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

What is the inverse of the given coordinates: (1, 2) (3, 8) (-3, 6)

• (1, 2) (3, 8) (-3, 6)
• (1, 2) (8, 3) (-3, 6)
• (-1, -2) (-3, -8) (3, -6)
• (2, 1) (8, 3) (6, -3)

Tags

CCSS.HSF-BF.B.4C

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.B.4B

are these inverse functions?

• no

• yes

• no way to tell

Tags

CCSS.HSF-BF.B.4C

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

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

Which of the following is the inverse function of f?

f(x)={(3,-1),(6,-1),(0,5),(2,4),(1,-1)}

• f ^-1(x)={(-1,3),(5,0),(4,2)}

• f ^-1(x)={(-1,6),(5,0),(4,2)}

• f ^-1(x)={(-1,1),(5,0),(4,2)}

• The inverse is not a function.

Tags

CCSS.HSF-BF.B.4C

Are these inverse functions?

• yes
• no
• no way to tell

Tags

CCSS.HSF-BF.B.4B

If f(x) is a one-to-one function and

f(2) = 5, what is f^-1(5)?

• 2

• 5

• undefined

• 1/5

Tags

CCSS.HSF-BF.B.4A