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The total cost function for units is given by . Show that the marginal cost decreases as the output…
The total cost function for $x$ units is given by $C(x) = \sqrt{6x + 5} + 2500$. Show that the marginal cost decreases as the output $x$ increases.
Given: C(x) = \sqrt{6x + 5} + 2500
To show: \text{Marginal cost decreases as the output } x \text{ increases}
Answer
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From ISC 2023 Mathematics Paper 1, question 20(i).