The function f(x)=7-4x+x^2 written in form of f(x)=(x-2)^2+3.what is the axis of symmetry for the function

Select the correct answer from each drop-down menu. a system of equations and its solution are given below. system a complete the sentences to explain what steps were followed to obtain the system of equations below. system b to get system b, the equation in system a was replaced by the sum of that equation and times the equation. the solution to system b the same as the solution to system a.]