The function graphed represents the amount of water in a container, in gallons, x minutes after a drain is opened. what is the meaning of each key feature of the graph? drag the answer into the box to match each item. x-intercept y-intercept the number of gallons needed every weekthe number of minutes it takes for the container to emptythe number of gallons drained every minutethe time it takes for half of the water in the container to drainthe number of gallons in the container before the drain is opened graph of a line on a coordinate plane. the horizontal x axis ranges from positive 0 to 30 in increments of 10. the vertical y axis ranges from positive 0 to 120 in increments of 20. a line passes through the points begin ordered pair 0 comma 120 end ordered pair and begin ordered pair 15 comma 0 end ordered pair.