if $f(x) = 2x^2 + 1$, what is $f(x)$ when $x = 3$?\n○ 1\n○ 7\n○ 13\n○ 19

if $f(x) = 2x^2 + 1$, what is $f(x)$ when $x = 3$?\n○ 1\n○ 7\n○ 13\n○ 19

Answer