Approximate the area under the curve over the specified interval by using the indicated number of subintervals (or rectangles) and evaluating the function at the right-hand endpoints of the subintervals. Compute the approximate area using up to four decimal places as needed. 
from 
to 
subintervals.
Definitions:
Federal Energy Regulatory Commission
A U.S. federal agency that regulates the interstate transmission of electricity, natural gas, and oil.
Sherman Act
A landmark federal statute in the United States antitrust law passed by Congress in 1890 to prohibit monopolies and other activities that restrict competition.
Clayton Act
A U.S. antitrust law enacted in 1914, aimed at prohibiting specific business activities that lessen competition, such as price discrimination, exclusive dealings, and mergers that significantly reduce market competition.
Competitive Firms
Businesses that operate in markets where there are many buyers and sellers, and no single entity can control the price.
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