Final answer:
The question asks for an explicit formula to calculate the seconds spent on homework after 'n' weeks using Excel. An example of such a formula, based on a fixed increase in homework time per week, is given using hypothetical initial values and rate of increase. Adjustments to the formula would be needed if the pattern of homework time is not uniform.
Step-by-step explanation:
The question pertains to creating an explicit formula that would be used in a spreadsheet application like Microsoft Excel to calculate the number of seconds spent on homework after 'n' weeks. To establish an explicit formula for this calculation, there are certain inputs we need to know, such as the initial amount of time spent on homework in the first week, whether this time increases at a constant rate, and if so, by how much each week.
For example, if a student spends 2.5 hours on homework in the first week, and this time increases by 0.5 hours each subsequent week, the explicit formula in Excel to calculate the seconds of homework after 'n' weeks might look like this: =2.5*3600 + (n-1)*0.5*3600, where 'n' represents the number of weeks, and we multiply by 3600 to convert hours into seconds.
If the time spent on homework varies and does not follow a simple pattern, a different approach would be needed, and additional data inputs would be required to determine the correct formula.