Please take your time and do it professionally please I want full answers. I want it to help me in studying for my exam. so please do it professionally

The following data represent the prices of IBM personal computers and the demand for these computers at a computer store in 2013

A. Based on the information, what would you predict the demand would have been for computers priced at $1600?

B. What is the dependent variable in this situation? Enter the data into any software program or graph paper and create a scatter plot

C. Is it easy to identify what type of function you could use to model this situation? Explain your answer

D. Try fitting the function to the scatter plot you created. Try linear, quadratic and exponential regressions

Linear Model:

Quadratic Model:

Exponential Model:

E. Which type of function gives you the best fit? Explain your choice

F. Use the algebraic model you found to determine the price that would have a demand of 195 computers.

G. Use your model to predict the demand for computers priced at $1600

H. How could you use the table of values to determine what type of function the data approximates?

I. How could you have used your graph to answer parts F and G?