public static void main(String args[]){
        MonotonicallyIncreasingFunctionBecomesPositive mif = new MonotonicallyIncreasingFunctionBecomesPositive();
        System.out.print(mif.findPoint());
    }
http://www.geeksforgeeks.org/find-the-point-where-a-function-becomes-negative/
src/com/interview/binarysearch/MonotonicallyIncreasingFunctionBecomesPositive.java