6.4-6.6 Quiz Review

Find the Inverse function of f(x)=5x+10.

•  $f^{-1}\left(x\right)=\frac{x}{5}-2$  

•  $f^{-1}\left(x\right)=-\frac{x}{5}-2$  
  

•  $f^{-1}\left(x\right)=\frac{x}{5}+2$  

•  $f^{-1}\left(x\right)=-\frac{x}{5}+2$  

Tags

CCSS.HSF-BF.B.4A

Find the inverse of 

 $g\left(x\right)=\sqrt{x+9}$  

•  $g^{-1}\left(x\right)=x^2+9$  

•  $g^{-1}\left(x\right)=\sqrt{x}+9$  

•  $g^{-1}\left(x\right)=x^2-9$  

•  $g^{-1}\left(x\right)=\sqrt{x}-9$  

Tags

CCSS.HSF-BF.B.4A

True or False: f(x) and g(x) are inverses of eachother.

• True

• False

Tags

CCSS.HSF-BF.B.4B

True or False: f(x) and g(x) are NOT inverses of eachother.

• True

• False

Tags

CCSS.HSF-BF.B.4B

Match the graph to it's function.

• $f\left(x\right)=\sqrt{x-2}$

• $f\left(x\right)=\sqrt{x+2}$

• $f\left(x\right)=\sqrt{x}-2$

• $f\left(x\right)=\sqrt{x}+2$

Tags

CCSS.HSF-IF.C.7B

Match the graph to its function.

• $f\left(x\right)=\left(x+2\right)^{\frac{1}{3}}-2$

• $f\left(x\right)=\left(x-2\right)^{\frac{1}{3}}-2$

• $f\left(x\right)=\left(x-2\right)^{\frac{1}{3}}+2$

• $f\left(x\right)=\left(x+2\right)^{\frac{1}{3}}+2$

Tags

CCSS.HSF-IF.C.7B

State the domain and range of the given function.

• D: All Real numbers, R: All Real Numbers

• $D:\ x\ge-4,\ R:\ All\ real\ numbers$

• $D:\ All\ Reals\ numbers,\ R:\ y\ge-4.$

• $D:\ all\ real\ numbers,\ x\ne-4,\ R:\ all\ real\ numbers.$

Given the graph, state the domain and range:

• $D:\ x\le3,\ R:\ y\ge0.$

• $D:\ x\ge3,\ R:\ y\ge0.$

• $D:\ x\le3,\ R:\ y\le0.$

• $D:\ x\ge3,\ R:\ y\le0.$

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

 $\sqrt{3x+12}=6$  

Solve for x.

• x= -8

• x= 8

• x= 16

• x= -16

Tags

CCSS.HSA.REI.A.2

 $\sqrt{7x-7}=\sqrt{3x-2}$  
Solve for X

• x= 4/5

• x= -4/5

• x= 5/4

• x= -5/4

Tags

CCSS.HSA.REI.A.2