Radical Functions

What is the first step in finding the equation of the inverse of a function?

• replace y with f ^-1(x)

• switch x and y

• solve for y

• replace f(x) with y

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 the function

• f ^-1(x) = x³ − 5

• f ^-1(x) = x³ + 5

• f ^-1(x) = x³ + 5

• Inverse does not exist

Describe the transformation.

• Right 10
• Up 10
• Down 10
• Left 10

Tags

CCSS.HSF.BF.B.3

Describe the transformation.

• right 5
• left 5
• up 5
• down 5

Tags

CCSS.HSF.BF.B.3

Describe the transformation.

• Vertical Stretch by 2
• Vertical Shrink by ⅓
• Horizontal Shrink by ⅓
• Horizontal Stretch by 3

Tags

CCSS.HSF.BF.B.3

Describe the transformation

• Left 4 units, up 1 unit
• Right 4 units, up 1 unit
• Left 4 units, down 1 unit
• Right 4 units, down 1 unit

Tags

CCSS.HSF.BF.B.3

Describe the transformation.

• Left 1, Reflect over x-axis, up 2
• Left 1, Reflect over y-axis, down 2
• Right 1, Reflect over x-axis, up 2
• Right 1, Reflect over y-axis, uo 2

Tags

CCSS.HSF.BF.B.3

Which is the graph of  f(x) = √x +3

• A
• B
• C
• D

Tags

CCSS.HSF-IF.C.7B

What is the domain of the graph of the radical function?

• (-infinity, infinity)
• (-7, infinity)
• (0, infinity)
• (4, infinity)

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.B.5