Let a, b, and c be real numbers where a b c 0. Which of the following functions could represent the graph below?
f(x) = x^2(x – a)^2(x - b)^4(x-c)
f(x) = x^2(x - a)^3 (x - b)(x -c)^2
f(x)= x^4(x-a)(x - b)^3(x - c) ^3
f(x)= (x-a)^2(x-b)(x-c)^6