Consider the marginal cost function Upper C prime

C(x)equals

=0.09

0.09xsquared

2minus

4

4xplus

+60

60.

a. Find the additional cost incurred in dollars when production is increased from 3

3 units to 20

20 units.

b. If C(3

3)equals

=240

240, determine C(20

20) using your answer in (a).

a. The additional cost incurred in dollars when production is increased from 3

3 units to 20

20 units is approximately $

nothing

.

(Do not round until the final answer. Then round to two decimal places asneeded.)

b.C(20

20)equals

=

nothing

(Do not round until the final answer. Then round to two decimal places asneeded.)