The mapping diagrams below show 4 different relationships between input and output values. How many of the mapping diagrams represent functions?
А
Output
B
Output
Input
Input
1-
6
2
0
2-
7
4
3-
8
6
4-
9
8
с
D
Input
Output
Input
Output
8
0
3
9
3
5
5
7
9

for me what is finding a good play list and going out because i can not lay down and relax so i usually go to a coffee shop. i also use the gum trick and this actually works. another advice is highlighting subjects it really does me remember certain things

step-by-step explanation:

i only know the sequence of arithmetic it adds the first is 5+4 then it goes up as it adds to then it is 9+5 then 14+6 then to 20+7 and so on. 5,9,14,20,27,35.

step-by-step explanation: