What is another word for line function?
Pronunciation: [lˈa͡ɪn fˈʌŋkʃən] (IPA) 
A line function is often referred to as a linear function, as it follows a straight line on a graph. It can also be called a first-degree function, as it has a degree of one in polynomial form. Other synonyms for a line function include a straight-line equation, a slope-intercept form equation, and a y = mx + b equation. These terms all describe the same thing - a function that can be plotted as a straight line on a graph. The simple structure of a line function makes it a useful tool for modeling and predicting trends in a variety of fields, including mathematics, economics, and physics.
