Question

Which function in vertex form is equivalent to f(x) = x2 + 6x + 3?

Answer 1

f(x)=x^2+6x+3
     =(1/2.6)^2=3^2=9
f(x)=(x2^+6x+9)+3-9
     =(x+3)^2-6

Answer 2

Answer:

B. f(x) = (x + 3)2 − 6

Step-by-step explanation:

I just did this for "completing the square". Hope this helped!