Question

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Answer 1

Hello @cassandralombardi !
Welcome to OpenStudy !

Answer 2

ok , still its not one to one

Answer 3

check the yellow line test :-
http://prntscr.com/4ivpnp

Answer 4

all the point on the greatest integer function at tthat line have same value / thus not one to one

Answer 5

its not one to one , so its not a function

Answer 6

its onto anyway :)

Answer 7

3 condition to be a function
1_ it has to be one to one
2_ it has to be onto

Answer 8

yeah , sry my bad :P

Answer 9

it is one one and onto function because in one one and onto function the number of domain is equal to number of range and also every domain have different image on range

Answer 10

its not one to one :O

Answer 11

but as u said @cassandralombardi its a function but not one to one

Answer 12

Look for Question 3..

http://cbsencert12mathssoultions.blogspot.in/2013/01/excersie-12.html