which is the largest interval over which the function shown in the table is decreasing


x f(x)=3x^2 (x,y)

-2 12 (-2,12)

-1 3 (-1,3)

0 0 (0,0)

1 3 (1,3)

2 12 (2,12)


A. x<-1

B. x<0

C. x>0

D. x>3