Practice problem
Which of the following is the vertex of the function given by the rule f(x)=x2+12x+4f(x) = x^2+12x+4f(x)=x2+12x+4?
(6,−32)(6,-32)(6,−32)
(−6,−32)(-6,-32)(−6,−32)
(6,32)(6,32)(6,32)
(−6,32)(-6,32)(−6,32)
Type a concept, like “slope” or “photosynthesis”.