Your company is planning to air a number of television commercials during the ABC Television Network's presentation of the Academy Awards. ABC is charging your company $1.6 million per 30-second spot. Additional fixed costs (development and personnel costs) amount to $500,000, and the network has agreed to provide a discount of
$20,000√x for x television spots.
Write down the cost function, marginal cost function, and average cost function.

Question

Your company is planning to air a number of television commercials during the ABC Television Network's presentation of the Academy Awards. ABC is charging your company $1.6 million per 30-second spot. Additional fixed costs (development and personnel costs) amount to $500,000, and the network has agreed to provide a discount of 
$20,000√x for x television spots. 
Write down the cost function, marginal cost function, and average cost function.