Refer to the production function. The marginal product at 5 units equals ________ units

Fill in the blank(s) with correct word

To obtain the marginal product at 5 units, take the first derivative and substitute 5 for X

Y = 10X + 20X2 - X3
dy/dx = 10 + 40(X) - 3X2
= 10 + 40(5 ) - 3(5 )2
= 10 + 200 - 75
= 135 units

Economics

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