Question

f(x) = (9 + 2x)²
f(2) = ?
​

Answer 1

♪Answer :

»f(x) = (9 + 2x)²

»f(2) = (9 + 2(2))²

»f(2) = (9 + 4)²

»f(2) = 13²

»f(2) = 169✅

Answer 2

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

f(2):-

put 2 inplace of x

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

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

$\\ \rm\hookrightarrow 13^2$

$\\ \rm\hookrightarrow 169$