A: 5 titles
Q: How many titles must you look at to determine that Unbearable Lightness of Being is not in the database?
A: All of them
The problem is that we are sequentially searching the list.
"Sequentially" means "Starting at the beginning of the alphabet and searching in order from there."
Q: If there are n titles on the list, what is the efficiency of a sequential search? (constant, linear, polynomial, exponential)
A: