A relation consists of the following points. Identify the domain and range of the inverse relation.

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?

Me because i don't understand how to do it.: )

Lines d, e, and f are parallel. that means they have the same slope. each of these lines has a slope of -3. enter numbers to complete an equation fir each line