Question

F(x) = (9 + 2x)² f(2) = ? ​

Answer 1

$\\ \rm\hookrightarrow f(x)=(9+2x)^2$

f(2):-

put 2 inplace of x

$\\ \rm\hookrightarrow (9+2(2))^2$

$\\ \rm\hookrightarrow (9+4)^2$

$\\ \rm\hookrightarrow 13^2$

$\\ \rm\hookrightarrow 169$

Answer 2

♪Answer :

»f(x) = (9 + 2x)²

»f(2) = (9 + 2(2))²

»f(2) = (9 + 4)²

»f(2) = 13²

»f(2) = 169✅