exponential functions

[/ˌɛkspəˈnɛnʃəl ˈfʌŋkʃənz/]
nounpl: exponential functions
funções exponenciais
1. Mathematical functions of the form f(x) = a^x, where a is a positive constant (base) and x is the variable exponent, characterized by rapid growth or decay
Exponential functions are used to model population growth and radioactive decay.
Funções exponenciais são usadas para modelar o crescimento populacional e o decaimento radioativo.
2. Functions where the variable appears as an exponent rather than as a base, typically written as f(x) = a·b^(cx+d)
The most common exponential function is f(x) = e^x, where e is Euler's number.
A função exponencial mais comum é f(x) = e^x, onde e é o número de Euler.
3. Functions that increase or decrease at rates proportional to their current value, showing characteristic J-shaped or inverted curves
Exponential functions demonstrate accelerating change, unlike linear functions.
Funções exponenciais demonstram mudança acelerada, diferentemente das funções lineares.
Exponential functions are fundamental concepts taught in secondary and higher mathematics education in both Brazil and the United States. In Brazil, the term 'funções exponenciais' is universally used in technical, scientific, and academic contexts. The concept is essential for understanding phenomena like pandemic spread, financial compound interest, and natural resource depletion, making it culturally relevant beyond pure mathematics in both nations.
Synonyms / Sinônimos
exponentialspower functions with variable exponents
Antonyms / Antônimos
logarithmic functionslinear functionspolynomial functions

Regional Variations

General Brazilian Portuguese
funções exponenciais
Standard academic and technical term used in mathematics education and professional contexts
Portugal
funções exponenciais
Same term used; part of standard mathematical vocabulary across Portuguese-speaking countries
São Paulo
funções exponenciais
Commonly used in universities and technical institutions; no regional variation
Rio de Janeiro
funções exponenciais
Standard usage in academic settings; consistent with national terminology

Related Words

baseexponentEuler's numbergrowth ratedecaylogarithmscalculusdifferential equations

Related Idioms & Phrases

exponential growth
exponential decay
growing exponentially
base of an exponential function
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