To find the total number of hours, \( h \), that Cooper will volunteer, you can set up the equation based on the number of hours he works each day and the number of days he works.
Cooper works 3.5 hours each day for 14 days (2 weeks).
So the equation can be represented as:
\[ h = 3.5 \times 14 \]
This simplifies to:
\[ h = 49 \]
However, from the response options you provided, the correct equation that represents this scenario is:
\[ 3.5h = 14 \]
This is incorrect as presented. The correct representation of total hours can be better written as:
\[
h = 3.5 \times 14
\]
But if you need to select from the provided options:
None of the options correctly format the total work in terms of \( h \). The closest logic would involve multiplying hours per day with total days worked, leading directly to \( h = 3.5 \times 14 = 49\), indicating 49 total volunteer hours.
Based on errors, none of the options accurately represent his total volunteer hours correctly. The confusion is in formulating the number of days operated in correspondence with total hours derived. If you must choose from only the given options, one option should be revised to mirror the equation form accurately.