Cristina is painting the playhouse she made for her sister. She intends to paint only the outside of the house that does not include the floor. The paint she chose must be purchased in full gallons. Each gallon covers 200ft² and costs $15.95 a gallon. How much will it cost cristina to paint the playhouse?

answer: domain and range mean all possible values of x and y that could be substituted to the inequality. a solution means all possible values that make the inequality statement true. so while the range is still all real numbers, the solution is the shaded area, for which y will always be greater than the line of the function.

all it means is function 3