SAT math practice question: Maximum value of a function

 
Try the following SAT math practice question (No Calculator) that tests your understanding of how to find the maximum value of quadratic functions.

Question(No Calculator):
$$ f(x) = -3(x+2)^2 -4 $$
For the function $f$ given above, at what value of $x$ does the maximum value of function $f(x)$ occur?

1. $\quad -4$
2. $\quad -3$
3. $\quad -2$
4. $\quad -1$