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Question 1 5 pts Solve the problem. The total cost of producing x units of a certain commodity is C(x) thousand dollars, where C(x) =x - 14x2 + 163x +128 C(x) The average cost function is A(x) = x . For what values of x is A(x) increasing? For what values is it decreasing? O Increasing; 0 16 Increasing; 0 8 Increasing; x > 8; decreasing: 0 16; decreasing: 0