Which of these is the quadratic parent function?
А. Кx) = х2
В. Kх) = 2 + 3
с. fx) = -4х2
D. f(x) = х2 – 5

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?