Functions are present in our daily lives. Generally in the form of comparative graphs that we see in newspapers, TV, and the internet, when two quantities are compared.
They are represented in algebraic form too, so they take shape when we see them in our daily lives.
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In general, to study function, knowledge of equations is necessary, as its development is carried out through equations.
It is not only important for the interests of mathematics, as it is put into practice in other sciences, such as Physics and Chemistry.
In mathematics, they are divided into: Characteristics, types and elements of a function; 1st degree function and 2nd degree function, and may have other degrees, depending on the application.
