Help pleasee I need it really bad

Brook states that the distance on the line is 4 units. caleb states that the whole line does not have a distance because it continues on forever. vivian states that the line is 6 units long. which distance did brook measure? which distance did vivian measure?

Wich statement could be used to explain why the function h(x)= x^3 has an inverse relation that is also a function

Need so much on this one how many yards?