Answer:
Relation 1: Not a Function
Relation 2: Not a Function
Relation 3: Function
Relation 4: Not a Function
Explanation:
There can only be one output (what you get out of it) for each input (what you put into the function) in a function.
Answer:
12rhehrhehrhjnehrhrhehrhehehrrhrjejejej
Actual W/ actual height= model W/ model height
55 ft/ actual height= 1.5 in./ 15 in,
actual height=55 ft*15 in./1.5 in= 550 ft
Answer:
25.2
Step-by-step explanation:
6/5 is 1.2, so it takes 1.2 minutes to run one lap.
This means 21 x 1.2 = the minutes it takes to run 21 laps around the track.
Therefore it takes 25.2 minutes to run around the track 21 times.
The second answer i think is the best one
