Match with the sum of the monomial and binomial.
2x2y + (x2y − 2xy2)
(5xy2 − x2y) + 3x2y
4x2y + (x2y + xy2)
x2y + (-2xy2 − 4x2y)

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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

Check all that apply. f is a function. f is a one-to-one function. c is a function. c is a one-to-one function.