Trigonometric functions are used to calculate angles and distances in mathematics.

Analytic functions are used in data analysis to perform calculations on a set of data.

The characteristic functions of the random variables are used to describe their probability distributions.

Computable functions are widely used in computer science.

Convex functions are used in optimization problems.

Bounded functions are essential in mathematical analysis.

Set functions are used in mathematics to map elements from one set to another.

Concave functions are commonly used in optimization problems.

Probability density functions are used to describe the likelihood of different values occurring in a continuous random variable.

The transmission functions of the car were not working properly.