inverse function

American  

noun

Mathematics.

1. the function that replaces another function when the dependent and independent variables of the first function are interchanged for an appropriate set of values of the dependent variable. In y = sin x and x = arc sin y, the inverse function of sine is arc sine.

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Etymology

Origin of inverse function

First recorded in 1810–20

Example Sentences

The distance the car travels in miles is a function of time, in hours given by Find the inverse function by expressing the time of travel in terms of the distance traveled.

From Textbooks • Sep. 23, 2020

When a function has no inverse function, it is possible to create a new function where that new function on a limited domain does have an inverse function.

From Textbooks • Sep. 23, 2020

Determine the domain and range of the inverse function.

From Textbooks • May 6, 2020

Determine the domain and range of the inverse function.

From Textbooks • May 6, 2020

The second column is the inverse function, meaning an item costing $1 in 1989 would have cost about $.05 or $.06 back in the year 1900.

From Price/Cost Indexes from 1875 to 1989 by United States