How does the function notation in the example compare with the standard notation This is the question but I don’t know anything else. PLEASE HELP!

An appliance salesman sets a goal to sell an average of 6 appliances per day for the first two weeks of his new job. the dot plot shows the number he sold each day during the first 13 days. what is the minimum number of appliances he must sell on the 14th day in order to reach his goal? a) 5 b) 6 c) 7 d) 8

The midpoints of the sides of the large square are joined to form a smaller square. what is the area of the smaller square

What is negative 3/9 times negative 2/8 ?