Use the following demand curve to answer the questions that follow.How would point A be represented as an ordered (x,y) pair?What does this curve show?Does this curve show a positive or negative correlation between price and quantity?Compute the slope of D1 between points A and C.What is the slope of D1 between points C and E? Why would you not have to calculate this answer?What is it called if we move from curve D1 to curve D2?How do you know that the slope of D2 is the same as the slope of D1?