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Given the function $$f(x)=\left\{\begin{array}{l}7 x+3 \text { if } x<0 \\ 7 x+6 \text { if } x \geq 0\end{array}\right.$$

evaluate:
1. $f(-1)$
2. $f(0)$
3. $f(2)$
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1. $f(x)$ is defined as $7 x+3$ for $x=-1$ becuase $-1<0$.
Evaluate: $f(-1)=7(-1)+3=-7+3=-4$
2. $f(x)$ is defined as $7 x+6$ for $x=0$ becuase $0 \geq 0$.
Evaluate: $f(0)=7(0)+6=0+6=6$
3. $f(x)$ is defined as $7 x+6$ for $x=2$ becuase $2 \geq 0$.
Evaluate: $f(2)=7(2)+6=14+6=20$
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