III. The marginal cost function, in 100 of dollars, of the production of x units of trousers, 3x2 +12
where x is expressed in a thousand of units, with x € ]0,10), is given by f(x)
(6.5 pts)
1. Calculate f (5). Interpret this result in terms of cost.
2. Study the sense of variation of f and construct the table of variations of f.
3. For which production will the enterprise attain a minimum marginal cost? Find this
marginal cost.

hello :

by applying the distributive property :

6 × 4.3 = 6 × ( 4 + 0.3 )

            =   (6 ×   4) + (6 ×   0.3)

            = 24 + 1.8

6 × 4.3 = 25.8

4.5%

step-by-step explanation:

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i hope this with your