How would I change these numbers into a piecewise function?

It's regarding an income tax plan





15% on first 19,300





25% on next 18,800





35% on all income above





How would i put this in a piecewise functionHow would I change these numbers into a piecewise function?
Let the variable be x.





.15x for 0 鈮?x 鈮?19,300





.25(x - 19,300) for 19,301 %26lt; x 鈮?38,100





.35(x - 38,100) for x %26gt; 38,100