An estimated regression equation is y^=3.5+3ln(x). Then we can forecast: a. x=1 if y^=1 b. y^=1 if x=1 c. y^=3.5 if x=3 d. y^=0.05 if x=1 e. y^=1.42 if x=2 An estimated regression equation is y^=3.5+3ln(x). Then we can forecast: a. x=1 if y^=1 b. y^=1 if x=1 c. y^=3.5 if x=3 d. y^=0.05 if x=1 e. y^=1.42 if x=2