Answer:
I believe that A is the correct answer.
Step-by-step explanation:
Answer:
D,E are not functions
Step-by-step explanation:
A function is a relation in which every input has not more than one output.But the output of the inputs may be same.Here in D the input 1 has 4 different outputs as 1,2,3,4.So its not a function.Similarly in E 6 has 2 outputs as 2 and -1.For remaining sets the inputs has only one output.so they are functions.
The answer to this question is x=8; y= -7
Answer:
1.41
Step-by-step explanation:
