Stephenson County Probation Department. Find Stephenson County Illinois probation departments, such as adult, juvenile, state, and federal probation courts and offices. Probation departments provide information on parole officers, community service, parole number lookups, violation and warrant searches, and job employment.
Some Real-Life Applications of. Rational Functions. There are many situations in the real world where an application of a rational function is used as a representation. There are three well-known situations that follow under this category of rational functions.alculating pH with a logarithmic function. A logarithmic function can be used to calculate the pH of a substance based on the concentration of hydrogen ions. This is the logarithmic equation that is used for determining pH.
Rational number. In mathematics, a rational number is a number that can be written as a fraction. Rational numbers are all real numbers, and can be positive or negative. A number that is not rational is called irrational. Most of the numbers that people use in everyday life are rational.