L10Methods.java

public class L10Methods{


   public static void main(String[] args){
      average(7, 23);
      System.out.println( f(1.0) );
      double fOf2 = f( 2.0 );
      System.out.println( fOf2 );
      for(double i = 1.0; i <= 10.0; i++) System.out.println( f(i) );
   }

      //a method that returns the output of a function f
   // x -> f -> f(x) aka y
   // the function f is 3x + 5
   public static double f( double x ){
      double fx = 3 * x + 5;
      return fx;
   }

   //a method that calculates the average of two nums
   //method takes in two values and prints the average
   public static void average(double num1, double num2){
      System.out.println( ( num1 + num2 ) / 2 );
   }


}