inverse practice

Will the inverse of this function, be a function?

• no
• yes
• no way to tell

Find the inverse of y = x² + 1

• x = y² - 1

• y = - √(x-1)

• y = √(x+1)

• $y=\pm\sqrt{x-1}$

Tags

CCSS.HSF-BF.B.4A

If f^-1(-25) = 7 then what is f(7) = 

• 25
• 7
• No enough information. 
• -25

Tags

CCSS.HSF-BF.B.4C

Are these inverse functions?

• no
• yes
• no way to tell

Tags

CCSS.HSF-BF.B.4B

Will the inverse of this function, be a function?

• No
• Yes
• No way to tell

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

Find the inverse function

• f ^-1(x) =(1/x) − 5

• f ^-1(x) =(1/x) + 5

• f ^-1(x) = (x/1) − 5

• f ^-1(x) =(5/x) − 1

Tags

CCSS.HSF-BF.B.4A

If f(x) = 3x-9, what is f ^-1(12)?

• 25
• 9
• 11
• 7

Tags

CCSS.HSF-BF.B.4A

Which graph represents a one to one function?

• Graph 1

• Graph 2

• Graph 3

• Graph 4

The relation in the graph is..

• a function but not a one-to-one function.

• a one-to-one function.

• not a function