Keisha has a piece of construction paper that she wants to use to make an open
rectangular prism. She will cut a square with side length "x" from each corner of the
paper, so the length and width are decreased by 2x as shown in the diagram.
11 in.
8-2x in.
8 in.
11- 2x in.
A- Write a function that models the volume of the rectangular prism.
B- Use technology to graph the function and identify a reasonable domain.
C- What are the x-intercepts of the graph?
D- What do the x-intercepts of the graph mean in this context?