What version of the software was used to create the backup of the database?
If you created an image backup then you do not need to do anything special to "restore" the backup - just copy the files someplace on your disk and start them up on a server. However, if the transaction log filename in the database has a pathname in it that does not point to the current location (that you have copied the .log file) then you may need to run/use dblog on the database to point the transaction log to the new location.
If the image backup was created using a version of SQL Anywhere prior to version 10 then you will need to rebuild the database as a v10 database format. Provided that the database does not need recovery you can do this using your v10 software.