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{{ printedBook.courseTrack.name }} {{ printedBook.name }} There are three different rules for three different parts of the domain. $f(x)=⎩⎪⎪⎨⎪⎪⎧ -1,forx<00,forx=01,forx>0 $
Therefore, the function is a piecewise function. Let's graph the first rule! Since the function is equal to $-1$ when $x$ is *less than* $0,$ the graph will be the horizontal line $y=-1$ extended to the left from $0.$ The point $0$ will be represented by an **open** point because the inequality is **strict.**

The second piece is just the point $(0,0).$

The third rule can be graphed in the same way as the first rule. This time, the horizontal line $y=1$ will be extended to the right from $0.$