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A direction field is given below. Which of the following represents its differential equation?
Fishing Costs
Expenses incurred in the process of catching fish, including equipment, labor, and fuel costs.
Total Fertility Rate
The total number of offspring a woman is predicted to give birth to during her lifetime, based on existing age-related fertility trends.
Replacement Rate
The percentage of a worker's pre-retirement income that is paid out by a pension program upon retirement.
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