Let b be a positive constant.Select all of the following statements that apply to the exponential function f(x) = b.Decreases when 0 1.Increases when 0 1.Horizontal asymptote at y = 0.Vertical asymptote at x = 0.Has domain (0, ?).Has domain (-?, ?0).Has range (0, ?).Has range (-?, ?).a-intercept at (1,0).y-intercept at (0, 1).