C D 620
Use a graphing calculator to sketch the graph of the quadratic equation, and then state the domain and range.
y = -5x2 - 4x + 1
a. D: all real numbers
R $ 1.8)
R: all real numbers
b. D: all real numbers
d D: all real numbers
R: (218)
R (302)

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?