It could either be 11:9 or 11.../9...
(The dots stand for what the problem is talking about,for example 11 hot dogs per $9
Answer:The last one
Explanation:
A function has to return a unique value when given an argument. In the last set
} ( – 2 , 1 ) , ( 3 , – 4 ) , ( – 2 , – 6 )}
, the argument -2 is supposed to return both 1 and -6 : this is not possible for a function.
Step-by-step explanation:
2=-1/x-3+8
2=-1/x+5
-5 -5
-3=-1/x
/-1 /-1
3=x