Consider the linear regression model 7 = 0 + 1x + e Where 0 = -2,1 =

Consider the linear regression model
7 = β0 + β1x + e
Where β0 = -2,β1 = - 1, and the normal random variable e has standard deviation 3.
(a) What is the mean of the response y when x = 3? When x = 5?
(b) Will the response at x = 3 always be larger than that at x = 6? Explain.