# math

posted by
**Kaleia**
.

The total weekly cost (in dollars) incurred by Lincoln Records in pressing x compact discs is given by the following function.

C(x) = 2000 + 2x - 0.0001x2

(0 x 6000)

(a) What is the actual cost incurred in producing the 1011st and the 1821st disc? (Round your answers to the nearest cent.)

1011st disc $ ??

1821st disc $ ??

(b) What is the marginal cost when x = 1010 and 1820? (Round your answers to the nearest cent.)

1010 $ ??

1820 $ ??