Higher-order functions are powerful tools in functional programming.

Adaptive-control functions are essential for autonomous vehicles.

Inverse trigonometric functions are used to find the angle given the ratio of sides in a right triangle.

User-defined functions are essential for customizing the behavior of a program.

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

Turing computable functions are essential in the field of computer science.

Single-valued functions are important in mathematics.

Loop transfer functions are used to analyze the stability and performance of control systems.

Logarithmic trigonometric functions are used in advanced mathematics.

Strictly increasing functions are important in mathematics.