Answer
$a)$ 3
$b)$ 3
$c)$ 3
$d)$ 3
$e)$ It is continuous at $x=2.2$
Work Step by Step
$a),b),c),d)$ Answer given by direct observation of the graph
$e)$ It is continuous at $x=2.2$ because $\lim\limits_{x \to 2.2}f(x)=f(2.2)=3$
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