BRAINLIST..question is in the screenshot .

What is the name used to describe a graph where for some value of x, there exists 2 or more different values of y?

Compare the cost of the bike trips from the two companies shown.for both the cost in a linear function of the number of days which statements is true

Afarmer has a large field that is x feet in length. he wants to fence in a rectangular section in the middle of the field , leaving a length of 100 feet of open field behind each end of the fenced rectangle.he also wants the width of the fenced-in space to be 100 feet less than its length. find the expressions to represent the length and width of the fenced section of the field