Set Notations

Which set-builder form satisfies  $\left\{0,1,2,3,4,...\right\}$  ?

•  $\left\{x:x\in N\right\}$  

•  $\left\{x:x\in W\right\}$  

•  $\left\{x:x\in Z\right\}$  

Which set-builder form satisfies  $\left\{1,2,3,4,...\right\}$  ?

•  $\left\{x:x\in N\right\}$  

•  $\left\{x:x\in W\right\}$  

•  $\left\{x:x\in Z\right\}$  

Which set-builder form satisfies  $\left\{...,-3,-2,-1,0,1,2,3,\ ...\right\}$  ?

•  $\left\{x:x\in N\right\}$  

•  $\left\{x:x\in W\right\}$  

•  $\left\{x:x\in Z\right\}$  

Which roster-form satisfies  $\left\{x:x\in Z^-\right\}$  ?

•  $\left\{...,\ -3,\ -2,\ -1\right\}$  

•  $\left\{-3,-2,-1\right\}$  

•  $\left\{...-3,-2,-1,0\right\}$  

Which roster-form satisfies  $\left\{x:x\in Z,\ x<4\ \right\}$  ?

•  $\left\{1,2,3\right\}$  

•  $\left\{0,1,2,3\right\}$  

•  $\left\{...,\ -1,\ 0,\ 1,\ 2,3\right\}$  

Which roster-form satisfies  $\left\{x:x\in W,\ x\ge5\right\}$  ?

•  $\left\{5,6,7,...\right\}$  

•  $\left\{5,6,7\right\}$  

•  $\left\{6,7,8,...\right\}$  

•  $\left\{6,7,8\right\}$  

Which descriptive-form satisfies  $\left\{x:x=2\right\}$  ?

• Solution Set to $x+2=0$  

• Solution Set to  $x-2=0$  

• Solution Set to  $2x=\ 0$