SOLUTION: For the function f(x)= 3x^2 + 6x +4, determine the minimum an maximum value and state which one is it?

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Question 815764: For the function f(x)= 3x^2 + 6x +4, determine the minimum an maximum value and state which one is it?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

the vertex form of a Parabola opening up(a>0) or down(a<0), y=a%28x-h%29%5E2+%2Bk 

where(h,k) is the vertex  

f(x)= 3x^2 + 6x +4

    = 3(x+1)^2 - 3 + 4  |Completing the Square

    = 3(x+1)^2 +1  V(-1,1), a= 3 >0 opening Up, f(x) = 1 is a minimum