1.
exponential function
In mathematics, a function of the form y = a^x, in which the variable appears in the exponent. Its rapid growth is the basis of the everyday phrase 'to grow exponentially.'
指数関数を学ぶ。
to study exponential functions.
この曲線は指数関数で表される。
This curve is expressed by an exponential function.
感染者数が指数関数的に増えていった。
The number of infected people increased exponentially.
A mathematics term; the adjectival form 指数関数的 ('exponential, exponentially') is common in everyday writing about rapid growth.
COMMON COLLOCATIONS:
- 指数関数的に増える: to increase exponentially
- 指数関数のグラフ: the graph of an exponential function
- 自然指数関数: the natural exponential function
SIMILAR WORDS:
- 対数関数: logarithmic function — the inverse of the exponential function
- 一次関数: linear function — grows at a constant rate, not by multiplication