What we have to solve is:

we should multiply both sides by10, to get the "x" by itself:



so there are 8 tenths in this number!
The second picture should be the correct graph or the one which has its blue on the bottom side.
Answer:
1/18 hr per stretch
Step-by-step explanation:
total # of hrs / # of stretches
1/3 hr / 6 stretches = 1/18 hr per stretch
Number one is but number two is not
of more than 1 dot is on an “up and down” line then it’s not a function