Unit 3 Review Quiz

f(x)=x²-4
h(x)=3x+3
f(h(x))

• 3x²-9

• 12x²+8x+5

• 16x²-36x+20

• 9x²+18x+5

What is the inverse of this function?

• A

• B

• C

• D

Rationalize

 $\frac{5}{\sqrt{5}}$  

•  $\sqrt{5}$  

•  $\frac{1}{\sqrt{5}}$  

•  $5\sqrt{5}$  

•  $\frac{\sqrt{5}}{5}$  

Solve the radical equation. Don't forget to check your answers!

• 104/5

• 124/5

• 25

• 14/5

Simplify the radical expression

• 
• 
• 
• 

Which of the following is equivalent to

 $\sqrt{\sqrt{\sqrt{x^8}}}$  

•  $x^1$  

•  $x^{\frac{8}{6}}$  

•  $x^0$  

•  $x^{\frac{6}{8}}$