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Piecewise, linear, exponential, quadratic, Onto, cubic, polynomial and absolute value.
A piecewise function is a function defined by two or more equations. A step functions is a piecewise function defined by a constant value over each part of its domain. You can write absolute value functions and step functions as piecewise functions so they're easier to graph.
All equations for which the greatest power of its variable is 1, and that have no absolute value signs surrounding the variable, is linear. Therefore, yes, your problem is linear.
Functions and linear equations are the same in that they both deal with x and y coordinates and points on a graph but have differences in limitations, appearance and purpose. Often, functions give you the value of either x or y, but linear equations ask to solve for both x and y.
The absolute value is when even if a negative number when put in absolute value signs is positive such as.. l-23 l the absolute value is 23. l..l are absolute value signs