Using the graph below, select all statements that are true ( all of the dashes have a closed dot on the left end of it and an open dot on the right end of it)
http://assets.openstudy.com/updates/attachments/50386072e4b026c047061cd8-iheartfood-1345872011237-screenshot20120824at10.19.53pm.png
A) This graph is one-to- one
B) f(0.6)=0
C) f(5.1)=5
D) This is the graph of the greatest integer function
E) f(-3.2)=-3

Question

Using the graph below, select all statements that are true ( all of the dashes have a closed dot on the left end of it and an open dot on the right end of it) 
http://assets.openstudy.com/updates/attachments/50386072e4b026c047061cd8-iheartfood-1345872011237-screenshot20120824at10.19.53pm.png
A) This graph is one-to- one
B) f(0.6)=0
C) f(5.1)=5
D) This is the graph of the greatest integer function
E) f(-3.2)=-3

sleepyhead314 · Answer

http://www.icoachmath.com/math_dictionary/greatest_integer_function.html

anonymous · Answer

I really need help with the multiple choice answer. I just need to get past this problem

sleepyhead314 · Answer

floor function (greatest integer function) is like that where stuff rounds down
f(1.9) = 1
f(3.5) = 3
f(-2.7) = -3
etc