If TC=90+5Q-10Q^²+Q^³, find total variable cost, average variable cost and marginal cost functions.
At what level of output is the average variable cost the lowest?
At what level of output is the marginal cost the lowest?

Question

If TC=90+5Q-10Q^²+Q^³, find total variable cost, average variable cost and marginal cost functions.
 At what level of output is the average variable cost the lowest?
 At what level of output is the marginal cost the lowest?

Quizplus · Accepted Answer

The Answer of If TC=90+5Q-10Q^²+Q^³, find total variable cost, average variable cost and marginal cost functions.
 At what level of output is the average variable cost the lowest?
 At what level of output is the marginal cost the lowest?

If TC=90+5Q-10Q^²+Q^³, Find Total Variable Cost, Average Variable Cost and Marginal