👉 Learn how to graph piecewise functions. A piecewise function is a function that has more than one sub-function for different sub-intervals (sub-domains) of the function's domain. To graph a ...

👉 Learn how to evaluate a piecewise function. A piecewise function is a function which uses different rules for different ...

Simultaneous equations like 𝒚 = 2𝒙 - 1 and 𝒚 = 𝒙 + 1 can be represented graphically. To solve the equations graphically, the two lines 𝒚 = 𝒙 + 1 and 𝒚 = 2𝒙 - 1 are drawn on the same diagram.