Which of the following best describes the end behavior of y=x^2 -bx +c as x approaches either positive or negative infinity? a.) y approaches positive infinity b.) y approaches positive infinity c.) y approaches c d.) y approaches -c/b

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