1) Make a script file that displays a plot of the function y = ax² + bx + c for the interval -5 to 5.  For this example, the script should ask the user for values of a, b, and c.  The script should plot points in a 0.1 intervals, and the plot should have a title and both axes labeled.
 

2) Make a script file that displays a plot of a circle.  The radius should be specified by the user.