Which ordered pair (x, y) could be substituted in the relation so that the relation is a function?

{(4,5), (-2, 7),(6, 6), (-4, 7), (x, y)}

A. (-4,3)
B. (-3,0)
C. (4,- 1)
D. (6,-2)

What’s -11-33k and factor each expression completely

Suppose that the price p, in dollars, and the number of sales, x, of a certain item follow the equation 4 p plus 4 x plus 2 pxequals56. suppose also that p and x are both functions of time, measured in days. find the rate at which x is changing when xequals2, pequals6, and startfraction dp over dt endfraction equals1.5.

Find solution of the linear equation y = 2/3x + 1/3