Answer: h=7
Step-by-step explanation:
By definition the function in vertex form is:

Where (h,k) is the vertex of the parabola.
You must group the terms that contain the same variable in the function:

Complete the square as following:

Now you must rewrite it as following:

Then:
h=7
Answer:
A. y=3x+6
Step-by-step explanation:
1. x=y/3 -2
2.x+2= y/3
3. 3(x+2)=y
Final Answer: y=3x+6
Answer: f(x)=
Step-by-step explanation: