Idid 5-7, i just need to do 8

pls and you : )

i am awarding extra points

Using the graph below, select all statements that are true. a. f(0.6)=0 b. f(-3.2)=-3 c. f(5.1)=5 d. this is the graph of the greatest integer function. e. this graph is one-to-one.

How many square feet of out door carpet will we need for this hole? 8ft 3ft 12ft 4ft

Ineed ! the person who answers and shows their work on they got the answer first will be marked the !