1. Let's start by understanding what "marginal" means in a mathematical or economic context. 2. The term "marginal" typically refers to the rate of change or the derivative of a function with respect to one of its variables. 3. For example, if you have a function $f(x)$ representing total cost, the marginal cost is the derivative $f'(x)$, which tells you how the cost changes as you increase $x$ by a small amount. 4. The formula for marginal value is: $$\text{Marginal} = \frac{d}{dx} f(x)$$ 5. This means you take the derivative of the function with respect to the variable of interest. 6. Important rules to remember when finding derivatives include the power rule, product rule, quotient rule, and chain rule. 7. For example, if $f(x) = x^2$, then the marginal value is: $$f'(x) = 2x$$ 8. This means that for each unit increase in $x$, the function $f(x)$ increases by approximately $2x$ units. 9. If you provide the specific function or problem 2 details, I can help you find the marginal value step-by-step. 10. Understanding marginal concepts helps in optimization and decision-making by showing how small changes affect outcomes.