The answer is -3<x<-1/2 the keypad doesn't have the greater or equal to sign thingy but that what you would put. hoped this helped
Answer: its the first one i think
Step-by-step explanation
F(x)= 3 (x^2 + 4x +4) - 6
= 3x^2 + 12x +12 -6
= 3x^2 + 12x + 6