Getting deeper into the function families, we'll start by looking at "Linear" and "Absolute Value" functions.

1. Equations of Linear Functions can be written in three different forms:

   • Standard form - this form is useful in finding the intercepts of a graph quickly.

   • Slope-intercept form - this form is useful in finding the slope and y-intercept of a graph.

   • Point-Slope form - this form can be helpful in seeing how a graph has been transformed from its parent function f(x) = x.

2. Absolute Value functions have the form: f(x) = a|x + h| + k

3. Solutions to a system of equations can be found in various ways:

   • By looking for an x-value that makes all the functions have the same y-value (either algebraically or on a table)

   • By looking for where the graphs of the functions intersect each other