What is the domain of the cluster in the scatter plot?

between 8 and 10 years of age

between 10 and 12 years of age

between 32 and 72 pages read

between 32 and 38 pages read
Scatter plot on a first quadrant coordinate grid. The horizontal axis is labeled Age, in years. The vertical axis is labeled Number of pages read. Points are plotted at (eight, thirty-two), (eight, thirty-four), (eight, thirty-six), (eight, thirty-eight), (nine, thirty-two), (nine, thirty-four), (nine, thirty-six), (nine, thirty-eight), (ten, thirty-four), (ten, thirty-six), (ten, thirty-eight), (eleven, forty-two), (twelve, forty-four), (thirteen, fifty), (thirteen, fifty-two), (fourteen, forty-six), (fifteen, fifty-four), (sixteen, fifty-eight), (seventeen, fifty-eight), (seventeen, seventy-two).