The vertex of a parabola represented by f(x)=x^2 - 4x + 3 has coordinates (2,-1). find the coordinates of the vertex of the parabola defined by g(x)=f(x-2). explain how you arrived at your answer

Becca wants to mix fruit juice and soda to make a punch. she can buy fruit juice for $3 a gallon and soda for $4 a gallon. if she wants to make 28 gallons of punch at a cost of $3.25 a gallon, how many gallons of fruit juice and how many gallons of soda should she buy?