[Maple OLE 2.0 Object]

Solution to Problem 1:

[Maple OLE 2.0 Object]

[Maple OLE 2.0 Object]

[Maple OLE 2.0 Object]

[Maple OLE 2.0 Object]

[Maple OLE 2.0 Object]

The graph of f is shown in the figure below.

[Maple OLE 2.0 Object]