Examlex
A certain firm's marginal cost for a product is , its marginal revenue is
, and its total cost of production of 10 units is $530. Find the optimal level of production.
Plants
Multicellular organisms in the kingdom Plantae that typically produce their own food through photosynthesis and have cell walls made of cellulose.
Fish
Aquatic, gill-bearing organisms that lack limbs with digits, comprising a large and diverse group of vertebrates inhabiting both fresh and saltwater environments.
Birds
Warm-blooded, feathered vertebrates that lay eggs and have wings, belonging to the class Aves.
Threatened Species
A species in which the population is small enough for it to be at risk of becoming extinct throughout all or part of its range but not so small that it is in imminent danger of extinction. Compare with endangered species.
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