The revenue equation(in hundreds of millions ofdollars) for barley production in a certain country is approximated by R(x)equals=0.0635x^2 + 2.1033 2.1033 where x is in hundreds of millions of bushels. Find themarginal-revenue equation and use it to find the marginal revenue for the production of the given number of bushels.

(a) Themarginal-revenue equation is R(x)=____. (Round to four decimal places asneeded.)

(b) Find the marginal revenue for the production of 100,000,000 bushels.T

The marginal revenue is ____ hundred million dollars.(Type an integer or decimal rounded to two decimal places asneeded.)

(c) Find the marginal revenue for the production of 450,000,000 bushels.

The marginal revenue is _____ hundred million dollars .(Type an integer or decimal rounded to two decimal places as needed.)