I am not sure about first question. Thank you. Q s =89830-40P s+ 20P x +15P y +2I+0.

I am not sure about first question. I need help with explanation. Thank you.

Qs=89830-40Ps+20Px+15Py+2I+0.001A+10W

Where Qs=quantity purchased

                   Ps= the price of Smooth Sailing sailboats

                   Px= the price of company X's sailboat

                   Py= the price of company's Y's motorboat

                   I= per capita income in dollars

                   A= dollars spent on advertising

                  W=number of favorable days of weather in the southern region of the United States

1.  Characterize this function by circling all in the following list that are applicable:

univariate, bivariate, multivariate, linear, exponential, logarithmic, curvilinear, 1stdegree, 2nddegree, 3rd    degree, additive, multiplicative, linearly homogeneous