Chapter 3.5, Problem 11EQ

In Exercises 11 and 12, determine whether b is in col(A) and whether w is in row(A), as in Example 3.41.

$A=\left[\begin{array}{l}\begin{array}{ccc}1& 0& -1\end{array}\\ \begin{array}{ccc}1& 1& 1\end{array}\end{array}\right],\text{b}=\left[\begin{array}{l}3\\ 2\end{array}\right],\text{w}=\left[\begin{array}{ccc}-1& 1& 1\end{array}\right]$