»f(x) = (9 + 2x)²
»f(2) = (9 + 2(2))²
»f(2) = (9 + 4)²
»f(2) = 13²
»f(2) = 169✅
[tex]\\ \rm\hookrightarrow f(x)=(9+2x)^2[/tex]
f(2):-
put 2 inplace of x
[tex]\\ \rm\hookrightarrow (9+2(2))^2[/tex]
[tex]\\ \rm\hookrightarrow (9+4)^2[/tex]
[tex]\\ \rm\hookrightarrow 13^2[/tex]
[tex]\\ \rm\hookrightarrow 169[/tex]
