For a certain product, cost C and revenue R are given asfollows, where x is the number of units sold in hundreds.

Cost: C2=x^2+104x+56

Revenue: 900(x4)^2+26R^2=17,576

a. Find the marginal cost dC/dx at x=4.

The marginal cost is estimated to be___

(Do not round until the final answer. Then round to the nearest hundredth as needed.)

. Find the marginal revenue dR/dx at x=4.

The marginal revenue is estimated to be___

(Do not round until the final answer. Then round to the nearest hundredth as needed.)

Please hurry