Easy# Matrix Combinations

LINALG-TSWEGG

Let:

$$A=\left [\matrix { 2 & -1 & 1\cr 0 & 3 & 1\cr 1 & 2 & 4}\right ]$$

Let:

$$\vec b=\left [\matrix { 1 & 2 & 4}\right ]$$

Determine which of the following statements are *TRUE*.

Select **ALL** that apply.