f(x)=3x^2-12x+20
Find minimum value and value of x
as you know, the vertex of a parabola is at x = -b/2a.
In this case, that will be at x = 12/6 = 2.
So, find f(2)
Find minimum value and value of x
In this case, that will be at x = 12/6 = 2.
So, find f(2)