Which of the following represents an algebraic expression? O None of the above
O 4+ (5 - 2)
O 4x + 5 = 2
O 4x + 5y - 2

i got 142 as my answer

step-by-step explanation:

sample answer: you can determine whether each element of the domain is paired with exactly one element of the range. for example, if given a graph, you could use the vertical line test; if a vertical line intersects the graph more than once, then the relation that the graph represents is not a function.