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A deli owner has determined that his revenue, y, from selling sandwiches each day is at most -0.05r2 + 6x where x represents the number
of sandwiches he sells. To make a gprofit, his revenue must be greater than his costs, represented by the expression 1.5x + 45.
Write a system of inequalities to represent the values of x and ywhere the deli owner makes a profit. Then complete the statements.
The point (30,90) is
The point (60,160) is
of this system.
of this system.