A technical definition of a function is a relation from a set of inputs to a set of possible outputs where each input is related to exactly one output.
And the model shows that each domain ( x ) only goes to one codomain ( y ) which is what a function is.
624 divided by 10 gives you 62.4(miles per hour) 660 divided by 12 gives you 55(miles per hour). So Nancy’s rate was 62.4 miles per hour & Rebecca’s rate was 55 miles per hour. That would be 62.4/55
