Managerial Economics
posted by John .
For a cost function C = 100 + 10Q + Q2, the average variable cost of producing 20 units of output is
A. 10
B. 20
C. 30
D. None of the statements associated with this question are correct

Plug 20 into your formula for total costs, then calculate average variable cost. Remember, the 100 in the total cost represents fixed costs.
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