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 ...
They use the term to mean aluminum. What the term alloy really means is a mixture of metals, any kind of metals. Almost all metal used today is a mixture and therefore an alloy. Most steel has other metals added to tune its properties, like strength, corrosion resistance, or ease of fabrication.