To evaluate a function or expression, just substitute the value of x to the function.
From the given function :
[tex]f(x)=4x^2+9[/tex]
Substitute x = -2
[tex]\begin{gathered} f(-2)=4(-2)^2+9 \\ =4(4)+9 \\ =16+9 \\ =25 \end{gathered}[/tex]
Therefore, the correct answer is 25
