Which function has no horizontal asymptote? Why? 2x+5 a. f(x) = b. f(x) = x-6 x3 3x+6 c. f(x) = 6x 5 x-9 d. f(x) = (x+4)(x-3) a) b) b. The degree of the numerator is greater than the degree of the denominator. a. The degree of the numerator is equal to the degree of the denominator. c. The degree of the numerator is less than the degree of the denominator. d) d. The numerator is never equal to 0.