John Smith has developed the following

John Smith has developed the following
John Smith has developed the following forecasting model: Y = 36+4.3X1

Where

Y = Demand for K10 air conditioners

X1= The outside temperature (F)

(a) Forecast the demand for K10 when the temperature is 70 degrees F

(b) What is the demand for a temperature of 80 degrees F

(c) What is the demand for a temperature of 90 degrees F