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The cost function of a product is given by where is the number of units produced. How many units…
The cost function of a product is given by $C(x) = \frac{x^3}{3} - 45x^2 - 900x + 36$ where $x$ is the number of units produced. How many units should be produced to minimise the marginal cost?
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From ISC 2019 Mathematics Paper 1, question 21(a).