Answer:
4 is f and 5 is t
Step-by-step explanation:
at least 6
3(.5x+3)>12
1.5x+9>12
1.5>9
x>6
x^2 + 4x-12 =0
factor
(x+6) (x-2)=0
x+6=0 x-2=0
x=-6 x=2
are the x intercepts
Answer -6, 2