linear
f(x)=x
Linear refers to something that is straight or follows a straight line. In mathematics, it can refer to a linear equation or function, which is an equation or function that can be represented by a straight line on a graph. A linear equation has the form y = mx + b, where m is the slope of the line and b is the y-intercept (where the line intersects the y-axis). A linear function has the form f(x) = mx + b, where f(x) is the output or y-value, x is the input or x-value, m is the slope, and b is the y-intercept. Linear equations and functions are used in many real-world applications, including physics, engineering, economics, and business.
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