Someone has decided that the function binarySearch, declared in ~cs252/Assignments/commandsAsst/pro ject/arrayops. h, should be renamed fastFind. Give a command to produce the altered version the header file, saving it as ~/UnixCourse/commandsAsst/arrayops. h (Something to think about: Why would the same approach not work well for changing the variable name i to i0?)

Assume the existence of a bankaccount class. define a derived class, savingsaccount that contains two instance variables: the first a double, named interestrate, and the second an integer named interesttype. the value of the interesttype variable can be 1 for simple interest and 2 for compound interest. there is also a constructor that accepts two parameters: a double that is used to initialize the interestrate variable, and a string that you may assume will contain either "simple", or "compound", and which should be used to initialize the interesttype variable appropriately. there should also be a pair of functions getinterestrate and getinteresttype that return the values of the corresponding data members (as double and int respectively).