Also notice that we require the function to be continuous in the interval of integration. This was also a requirement in the definition of the definite integral. We didnât make a big deal about this in the last section. In this section however, we will need to keep this condition in mind as we do our evaluations.
A metallic solid or liquid that is composed of a homogeneous mixture of two or more metals or of metals and nonmetal or metalloid elements, usually for the purpose of imparting or increasing specific characteristics or properties: Brass is an alloy of zinc and copper. 2. A mixture; an amalgam: Television news has ...
Steel is the most common metal alloy in the world. In its simplest form, it consists of iron and varying amounts of carbon. Because both iron and carbon have been well-known since ancient times, the alloy has been produced in one form or another since well before the birth of Christ.