What equation represents the line shown? Image is of a 2-dimensional graph with an x-axis and a y-axis. A line is passing through co-ordinates (0,2) and (4,0).

A. y=2x+2

B. y=−2x+2

C. y=−1/2x+2

D. y=1/2x−2

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.