The graph of a quadratic function is shown on the grid. Which function is best represented by this graph?

F f(x) = x^2 + x + 6
G f(x) = x^2 - x + 6
H f(x) = -x^2 + x + 6
J f(x) = -x^2 - x + 6​

Please 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?