State whether the following rule defines y as a function of x or not. K x 3 -1 -2 -3 y 18 8 2 0 2 8 18 Is y a function of x? O A. No, because at least one y-value of the given rule corresponds to more than one x-value. O B. Yes, because each x-value of the given rule corresponds to exactly one y-value. C. No, because at least one x-value of the given rule corresponds to more than one y-value. ) D. Yes, because each y-value of the given rule corresponds to exactly one x-value