#7 Alg 2 Warm Up

What is the inverse of  $f\left(x\right)=3x+5$  ?

•  $y=\frac{x+3}{5}$  

•  $y=\frac{x-5}{3}$  

•  $y=3x-5$  

•  $y=5x-3$  

Which is the inverse of the set of ordered pairs {(1,-2),(-4,6,),(-1,-7),(8,0)}?

• {(-2,1),(6,-4),(-7,-1),(0,8)}

• {(1,-2),(-4,6),(-7,-1),(8,0)}

• {(-2,1),(6,-4),(-1,-7),(8,0)}

• {(1,-2),(-4,6),(-1,-7),(8,0)}

A function has an inverse that is also a function if and only if it is one-to-one.

• True

• False

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

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

• x/3

• 3x²

• 3x + 3x

• 3x^-1

Tags

CCSS.HSF-BF.B.4A

If f(x)=x+5, what is f^-1(x)?

• (x + 5)²

• x - 5

• (x + 5)^-1

• undefined

Tags

CCSS.HSF-BF.B.4A

The relation in the graph is..

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

• a one-to-one function.

• not a function

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.B.4

CCSS.HSF.IF.B.5

CCSS.HSF.IF.C.7

The relation in the graph is..

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

• a one-to-one function.

• not a function

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.B.4

CCSS.HSF.IF.B.5

The relation in the graph is..

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

• a one-to-one function.

• not a function

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.B.4

CCSS.HSF.IF.B.5

The relation in the graph is..

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

• a one-to-one function.

• not a function

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.B.4

CCSS.HSF.IF.B.5