Let a and b be real numbers, where a≠b≠0 Which of the following functions could represent the graph on the right?

f(x) = x (x – a)(x – b)2

f(x) = (x – a)(x – b)2

f(x) = x(x – a)³(x – b)

f(x) = x2(x – a) 2(x – b)2