Functions: \(f\), \(g\), \(y\), \(u\) Argument (independent variable): \(x\) Set of natural numbers: \(\mathbb{N}\) Set of real numbers: \(\mathbb{R}\) The base of natural logarithms: \(e\) Natural numbers: \(n\) Integers: \(k\) Real numbers: \(a\), \(b\), \(c\), \(d\) Angle: \(\alpha\) Period of a function: \(T\) The concept of function is one of the most important in mathematics. … Continue reading Functions and Their Graphs

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