Question

The cost of producing x articles is given by C = x +10x +80 . Find the average cost function and
marginal cost function. Find the marginal cost when x = 9.​

Answer 1

Answer:

c=179

Step-by-step explanation:

If valve of x=9

c=x+10x+80

c=9+10×9+80《according to bodmas》

c=9+90+80

c=99+80

c=179

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