Given f (x)=9.2x +11, what is f (12)? If it does not exist, enter DNE

Given:-
[tex]f(x)=9.2(x)+11[/tex]To find:-
[tex]f(12)[/tex]So to find the required value. we substitute 12 for x. so we get,
[tex]\begin{gathered} f(x)=9.2(x)+11 \\ f(12)=9.2(12)+11 \\ f(12)=110.4+11 \\ f(12)=121.4 \end{gathered}[/tex]So the required solution is 121.4