DISCUSS: Examples of Functions At the beginning of this...

Name: Problem 93, Chapter 2: Precalculus Mathematics for Calculus
Uploaded: 2020-06-02T00:22:11-08:00
Duration: 37 s
Channel: James Kiss
Description: DISCUSS: Examples of Functions At the beginning of this section we discussed three examples of everyday, ordinary functions: Height is a function of age, temperature is a function of date, and postage cost is a function of weight. Give three other examples of functions from everyday life.

DISCUSS: Examples of Functions At the beginning of this section we discussed three examples of everyday, ordinary functions: Height is a function of age, temperature is a function of date, and postage cost is a function of weight. Give three other examples of functions from everyday life.

DISCUSS: Examples of Functions At the beginning of this
section we discussed three examples of everyday, ordinary
functions: Height is a function of age, temperature is a function of date, and postage cost is a function of weight. Give
three other examples of functions from everyday life.

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Key Concepts

Function

A function is a mathematical concept that describes a relationship where each input (or element of the domain) is paired with exactly one output (or element of the range). This idea is fundamental in many areas of mathematics and real-world applications, where inputs and outputs are connected by some rule or formula.

Domain and Range

The domain represents the set of all possible input values that can be fed into the function, while the range is the set of all output values that the function can produce. Understanding these sets helps in analyzing how the function behaves and what outputs it can deliver.

Independent and Dependent Variables

In the context of functions, the independent variable is the one that is manipulated or chosen freely, serving as the input, whereas the dependent variable is determined by the function and depends on the value of the independent variable. This distinction clarifies the cause-and-effect relationship inherent in many functions encountered in everyday life.

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