What you said? And what you get?
maintenance is the answer
Answer:
A: used by ISP's to filter out email SPAM
C: a way to help an individual focus on best choices when deciding what to watch or buy.
Explanation:
Collaborative filtering uses a community-based approach to filter spam. It works by collecting numerous email users from around the world. By doing this, it becomes possible for users to flag emails that are spam and those that are legitimate.
Also Collaborative Filtering is one of the most efficient techniques for building a system that can help a user when it comes to recommending best choices based on information from a large number of users.
Answer:
b. cart total + 1
Explanation:
A. cart total=1 do increment the total with every 1 click here, it only 're-assigns cart total with value 1 for every click, hence it's always 1.
B. In every click, 1 is always added to the previous value of cart total, like addItemButton(cart total+1) or so.
C. This would have worked too if "cart total" and "cartTotal" where of same type.
D. cart total is just being initially defined here.
E. Likewise here, var shows that cart total has just only been declared.