Final answer:
The question is asking for the maximum value of ab and bc.
Step-by-step explanation:
The question is asking for the maximum value of ab and bc. The maximum value of a product occurs when the numbers being multiplied are at their highest possible values. In this case, the maximum value of ab is when both a and b are at their respective maximum values, and the maximum value of bc is when both b and c are at their respective maximum values.