In her lifeguarding class, Summer swam a loop from Point A to Point B, then to Point C and then diagonally
back to Point A. Each unit on the graph represents
10 meters. If Summer swam the loop 3 times, how
many total meters did she swim?

Here's link to the

tinyurl.com/wpazsebu

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.