Call sqrt four times

The code in the main function in Listing 1:

• Calls the sqrt function four times in succession.
• Passes a different value each time the function is called.
• Uses the cout object to display the value returned from each function call.

The output

The square root value returned by the function is displayed each time it is called, producing the screen display shown below:

3.87298
4.47214
5
5.47723